diff --git a/jquery.dfp.js b/jquery.dfp.js
index a8d96c0..2c42ff3 100644
--- a/jquery.dfp.js
+++ b/jquery.dfp.js
@@ -303,7 +303,7 @@
                         pubadsService.setCentering(true);
                     }
 
-                    if (dfpIsLoaded === false) {
+                    if (!dfpIsLoaded) {
                         // Setup event listener to listen for renderEnded event and fire callbacks.
                         pubadsService.addEventListener('slotRenderEnded', function (event) {
 
@@ -404,10 +404,6 @@
                             if ($(this).hasClass('display-none')) {
                                 return $(this);
                             }
-                            //
-                            // if (dfpOptions.refreshExisting && $(this).hasClass('display-block')) {
-                            //     return $(this);
-                            // }
                         }).map(function () {
                             return $(this).data(storeAs);
                         }).get();
diff --git a/jquery.dfp.min.js b/jquery.dfp.min.js
index f9c222e..efcf525 100644
--- a/jquery.dfp.min.js
+++ b/jquery.dfp.min.js
@@ -5,4 +5,4 @@
  * Copyright 2016 Matt Cooper
  * Released under the MIT license
  */
-!function(a,b){"use strict";!function(b){"function"==typeof define&&define.amd?define(["jquery"],b):b("object"==typeof exports?require("jquery"):a.jQuery||a.Zepto)}(function(c){var d=this||{},e="",f=0,g=0,h=0,i=".adunit",j=!1,k=!1,l="googleAdUnit",m=function(a,b,g){var i;f=0,h=0,e=a,i=c(b),d.shouldCheckForAdBlockers=function(){return g?"function"==typeof g.afterAdBlocked:!1},v(g,i).then(function(){g=n(g),d.dfpOptions=g,c(function(){o(g,i),p(g,i)})})},n=function(d){var e={setTargeting:{},setCategoryExclusion:"",setLocation:"",enableSingleRequest:!0,collapseEmptyDivs:"original",refreshExisting:!0,disablePublisherConsole:!1,disableInitialLoad:!1,setCentering:!1,noFetch:!1,namespace:b,sizeMapping:{}};if("undefined"==typeof d.setUrlTargeting||d.setUrlTargeting){var f=r(d.url);c.extend(!0,e.setTargeting,{UrlHost:f.Host,UrlPath:f.Path,UrlQuery:f.Query})}return c.extend(!0,e,d),e.googletag&&a.googletag.cmd.push(function(){c.extend(!0,a.googletag,e.googletag)}),e},o=function(b,g){var i=a.googletag;g.each(function(){var a=c(this);f++;var d=t(a,b),g=s(a,d),h=u(a);a.data("existingContent",a.html()),a.html("").addClass("display-none"),i.cmd.push(function(){var f,j=a.data(l);if(j)f=j;else{var k;k=""===e?d:"/"+e+"/"+d,a.data("outofpage")?f=i.defineOutOfPageSlot(k,g):(f=i.defineSlot(k,h,g),a.data("companion")&&(f=f.addService(i.companionAds()))),f=f.addService(i.pubads())}var m=a.data("targeting");m&&c.each(m,function(a,b){f.setTargeting(a,b)});var n=a.data("exclusions");if(n){var o,p=n.split(",");c.each(p,function(a,b){o=c.trim(b),o.length>0&&f.setCategoryExclusion(o)})}var q=a.data("size-mapping");if(q&&b.sizeMapping[q]){var r=i.sizeMapping();c.each(b.sizeMapping[q],function(a,b){r.addSize(b.browser,b.ad_sizes)}),f.defineSizeMapping(r.build())}a.data(l,f),"function"==typeof b.beforeEachAdLoaded&&b.beforeEachAdLoaded.call(this,a)})}),i.cmd.push(function(){var a=i.pubads();b.enableSingleRequest&&a.enableSingleRequest(),c.each(b.setTargeting,function(b,c){a.setTargeting(b,c)});var e=b.setLocation;if("object"==typeof e&&("number"==typeof e.latitude&&"number"==typeof e.longitude&&"number"==typeof e.precision?a.setLocation(e.latitude,e.longitude,e.precision):"number"==typeof e.latitude&&"number"==typeof e.longitude&&a.setLocation(e.latitude,e.longitude)),b.setCategoryExclusion.length>0){var j,l=b.setCategoryExclusion.split(",");c.each(l,function(b,d){j=c.trim(d),j.length>0&&a.setCategoryExclusion(j)})}b.collapseEmptyDivs&&a.collapseEmptyDivs(),b.disablePublisherConsole&&a.disablePublisherConsole(),b.companionAds&&(i.companionAds().setRefreshUnfilledSlots(!0),b.disableInitialLoad||a.enableVideoAds()),b.disableInitialLoad&&a.disableInitialLoad(),b.noFetch&&a.noFetch(),b.setCentering&&a.setCentering(!0),k===!1&&a.addEventListener("slotRenderEnded",function(a){h++;var d=c("#"+a.slot.getSlotId().getDomId()),e=a.isEmpty?"none":"block",i=d.data("existingContent");"none"===e&&c.trim(i).length>0&&"original"===b.collapseEmptyDivs&&(d.show().html(i),e="block display-original"),d.removeClass("display-none").addClass("display-"+e),"function"==typeof b.afterEachAdLoaded&&b.afterEachAdLoaded.call(this,d,a),"function"==typeof b.afterAllAdsLoaded&&h===f&&b.afterAllAdsLoaded.call(this,g)}),d.shouldCheckForAdBlockers()&&!i._adBlocked_&&setTimeout(function(){var e=a.getSlots?a.getSlots():[];e.length>0&&c.get(e[0].getContentUrl()).always(function(a){200!==a.status&&c.each(e,function(){var a=c("#"+this.getSlotId().getDomId());b.afterAdBlocked.call(d,a,this)})})},0),i.enableServices()})},p=function(b,e){var f=a.googletag;if(d.shouldCheckForAdBlockers()&&!f._adBlocked_&&f.getVersion){var g="//partner.googleadservices.com/gpt/pubads_impl_"+f.getVersion()+".js";c.getScript(g).always(function(a){a&&"error"===a.statusText&&c.each(e,function(){b.afterAdBlocked.call(d,c(this))})})}f.cmd.push(function(){if(e.each(function(){var a=c(this),e=a.data(l);f._adBlocked_&&d.shouldCheckForAdBlockers()&&b.afterAdBlocked.call(d,a),b.refreshExisting&&e&&a.hasClass("display-block")?(console.log("single refresh"),f.pubads().refresh([e])):(console.log("display"),f.display(a.attr("id")))}),b.disableInitialLoad){var a=e.filter(function(){return c(this).hasClass("display-none")?c(this):void 0}).map(function(){return c(this).data(l)}).get();console.log("multiple refresh"),f.pubads().refresh(a)}})},q=function(){var a=c(this);f=a.length,h=0,googletag.cmd.push(function(){var b=a.map(function(){return c(this).data(l)}).get();googletag.pubads().refresh(b)})},r=function(b){var c=(b||a.location.toString()).match(/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?/),d=c[4]||"",e=(c[5]||"").replace(/(.)\/$/,"$1"),f=c[7]||"",g=f.replace(/\=/gi,":").split("&");return{Host:d,Path:e,Query:g}},s=function(a,b){return g++,a.attr("id")||a.attr("id",b.replace(/[^A-z0-9]/g,"_")+"-auto-gen-id-"+g).attr("id")},t=function(a,b){var c=a.data("adunit")||b.namespace||a.attr("id")||"";return"function"==typeof b.alterAdUnitName&&(c=b.alterAdUnitName.call(this,c,a)),c},u=function(a){var b=[],d=a.data("dimensions");if(d){var e=d.split(",");c.each(e,function(a,c){var d=c.split("x");b.push([parseInt(d[0],10),parseInt(d[1],10)])})}else b.push([a.width(),a.height()]);return b},v=function(b,e){function f(){d.shouldCheckForAdBlockers()&&c.each(e,function(){b.afterAdBlocked.call(d,c(this))})}if(k=k||c('script[src*="googletagservices.com/tag/js/gpt.js"]').length)return j&&f(),c.Deferred().resolve();var g=c.Deferred();a.googletag=a.googletag||{},a.googletag.cmd=a.googletag.cmd||[];var h=document.createElement("script");h.async=!0,h.type="text/javascript",h.onerror=function(){w(),g.resolve(),j=!0,f()},h.onload=function(){googletag._loadStarted_||(googletag._adBlocked_=!0,f()),g.resolve()};var i="https:"===document.location.protocol;h.src=(i?"https:":"http:")+"//www.googletagservices.com/tag/js/gpt.js";var l=document.getElementsByTagName("script")[0];return l.parentNode.insertBefore(h,l),"none"===h.style.display&&w(),g},w=function(){var b=a.googletag,e=b.cmd,f=function(a,c,d){return b.ads.push(d),b.ads[d]={renderEnded:function(){},addService:function(){return this}},b.ads[d]};b={cmd:{push:function(a){a.call(d)}},ads:[],pubads:function(){return this},noFetch:function(){return this},disableInitialLoad:function(){return this},disablePublisherConsole:function(){return this},enableSingleRequest:function(){return this},setTargeting:function(){return this},collapseEmptyDivs:function(){return this},enableServices:function(){return this},defineSlot:function(a,b,c){return f(a,b,c,!1)},defineOutOfPageSlot:function(a,b){return f(a,[],b,!0)},display:function(a){return b.ads[a].renderEnded.call(d),this}},c.each(e,function(a,c){b.cmd.push(c)})},x={init:m,refreshAds:q};c.dfp=c.fn.dfp=function(a,d){var f;if(a===b||"string"==typeof a&&"init"===a)f="function"==typeof this?i:this,x.init.call(this,e,f,{});else if("object"==typeof a)d=a,a=d.dfpID||e,f="function"==typeof this?i:this,x.init.call(this,a,f,d);else{if(x[a]!==b)return x[a].apply(this,d);c.error("Method "+a+" does not exist")}return this}})}(window);
\ No newline at end of file
+!function(a,b){"use strict";!function(b){"function"==typeof define&&define.amd?define(["jquery"],b):b("object"==typeof exports?require("jquery"):a.jQuery||a.Zepto)}(function(c){var d=this||{},e="",f=0,g=0,h=0,i=".adunit",j=!1,k=!1,l="googleAdUnit",m=function(a,b,g){var i;f=0,h=0,e=a,i=c(b),d.shouldCheckForAdBlockers=function(){return g?"function"==typeof g.afterAdBlocked:!1},v(g,i).then(function(){g=n(g),d.dfpOptions=g,c(function(){o(g,i),p(g,i)})})},n=function(d){var e={setTargeting:{},setCategoryExclusion:"",setLocation:"",enableSingleRequest:!0,collapseEmptyDivs:"original",refreshExisting:!0,disablePublisherConsole:!1,disableInitialLoad:!1,setCentering:!1,noFetch:!1,namespace:b,sizeMapping:{}};if("undefined"==typeof d.setUrlTargeting||d.setUrlTargeting){var f=r(d.url);c.extend(!0,e.setTargeting,{UrlHost:f.Host,UrlPath:f.Path,UrlQuery:f.Query})}return c.extend(!0,e,d),e.googletag&&a.googletag.cmd.push(function(){c.extend(!0,a.googletag,e.googletag)}),e},o=function(b,g){var i=a.googletag;g.each(function(){var a=c(this);f++;var d=t(a,b),g=s(a,d),h=u(a);a.data("existingContent",a.html()),a.html("").addClass("display-none"),i.cmd.push(function(){var f,j=a.data(l);if(j)f=j;else{var k;k=""===e?d:"/"+e+"/"+d,a.data("outofpage")?f=i.defineOutOfPageSlot(k,g):(f=i.defineSlot(k,h,g),a.data("companion")&&(f=f.addService(i.companionAds()))),f=f.addService(i.pubads())}var m=a.data("targeting");m&&c.each(m,function(a,b){f.setTargeting(a,b)});var n=a.data("exclusions");if(n){var o,p=n.split(",");c.each(p,function(a,b){o=c.trim(b),o.length>0&&f.setCategoryExclusion(o)})}var q=a.data("size-mapping");if(q&&b.sizeMapping[q]){var r=i.sizeMapping();c.each(b.sizeMapping[q],function(a,b){r.addSize(b.browser,b.ad_sizes)}),f.defineSizeMapping(r.build())}a.data(l,f),"function"==typeof b.beforeEachAdLoaded&&b.beforeEachAdLoaded.call(this,a)})}),i.cmd.push(function(){var a=i.pubads();b.enableSingleRequest&&a.enableSingleRequest(),c.each(b.setTargeting,function(b,c){a.setTargeting(b,c)});var e=b.setLocation;if("object"==typeof e&&("number"==typeof e.latitude&&"number"==typeof e.longitude&&"number"==typeof e.precision?a.setLocation(e.latitude,e.longitude,e.precision):"number"==typeof e.latitude&&"number"==typeof e.longitude&&a.setLocation(e.latitude,e.longitude)),b.setCategoryExclusion.length>0){var j,l=b.setCategoryExclusion.split(",");c.each(l,function(b,d){j=c.trim(d),j.length>0&&a.setCategoryExclusion(j)})}b.collapseEmptyDivs&&a.collapseEmptyDivs(),b.disablePublisherConsole&&a.disablePublisherConsole(),b.companionAds&&(i.companionAds().setRefreshUnfilledSlots(!0),b.disableInitialLoad||a.enableVideoAds()),b.disableInitialLoad&&a.disableInitialLoad(),b.noFetch&&a.noFetch(),b.setCentering&&a.setCentering(!0),k||a.addEventListener("slotRenderEnded",function(a){h++;var d=c("#"+a.slot.getSlotId().getDomId()),e=a.isEmpty?"none":"block",i=d.data("existingContent");"none"===e&&c.trim(i).length>0&&"original"===b.collapseEmptyDivs&&(d.show().html(i),e="block display-original"),d.removeClass("display-none").addClass("display-"+e),"function"==typeof b.afterEachAdLoaded&&b.afterEachAdLoaded.call(this,d,a),"function"==typeof b.afterAllAdsLoaded&&h===f&&b.afterAllAdsLoaded.call(this,g)}),d.shouldCheckForAdBlockers()&&!i._adBlocked_&&setTimeout(function(){var e=a.getSlots?a.getSlots():[];e.length>0&&c.get(e[0].getContentUrl()).always(function(a){200!==a.status&&c.each(e,function(){var a=c("#"+this.getSlotId().getDomId());b.afterAdBlocked.call(d,a,this)})})},0),i.enableServices()})},p=function(b,e){var f=a.googletag;if(d.shouldCheckForAdBlockers()&&!f._adBlocked_&&f.getVersion){var g="//partner.googleadservices.com/gpt/pubads_impl_"+f.getVersion()+".js";c.getScript(g).always(function(a){a&&"error"===a.statusText&&c.each(e,function(){b.afterAdBlocked.call(d,c(this))})})}f.cmd.push(function(){if(e.each(function(){var a=c(this),e=a.data(l);f._adBlocked_&&d.shouldCheckForAdBlockers()&&b.afterAdBlocked.call(d,a),b.refreshExisting&&e&&a.hasClass("display-block")?f.pubads().refresh([e]):f.display(a.attr("id"))}),b.disableInitialLoad){var a=e.filter(function(){return c(this).hasClass("display-none")?c(this):void 0}).map(function(){return c(this).data(l)}).get();f.pubads().refresh(a)}})},q=function(){var a=c(this);f=a.length,h=0,googletag.cmd.push(function(){var b=a.map(function(){return c(this).data(l)}).get();googletag.pubads().refresh(b)})},r=function(b){var c=(b||a.location.toString()).match(/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?/),d=c[4]||"",e=(c[5]||"").replace(/(.)\/$/,"$1"),f=c[7]||"",g=f.replace(/\=/gi,":").split("&");return{Host:d,Path:e,Query:g}},s=function(a,b){return g++,a.attr("id")||a.attr("id",b.replace(/[^A-z0-9]/g,"_")+"-auto-gen-id-"+g).attr("id")},t=function(a,b){var c=a.data("adunit")||b.namespace||a.attr("id")||"";return"function"==typeof b.alterAdUnitName&&(c=b.alterAdUnitName.call(this,c,a)),c},u=function(a){var b=[],d=a.data("dimensions");if(d){var e=d.split(",");c.each(e,function(a,c){var d=c.split("x");b.push([parseInt(d[0],10),parseInt(d[1],10)])})}else b.push([a.width(),a.height()]);return b},v=function(b,e){function f(){d.shouldCheckForAdBlockers()&&c.each(e,function(){b.afterAdBlocked.call(d,c(this))})}if(k=k||c('script[src*="googletagservices.com/tag/js/gpt.js"]').length)return j&&f(),c.Deferred().resolve();var g=c.Deferred();a.googletag=a.googletag||{},a.googletag.cmd=a.googletag.cmd||[];var h=document.createElement("script");h.async=!0,h.type="text/javascript",h.onerror=function(){w(),g.resolve(),j=!0,f()},h.onload=function(){googletag._loadStarted_||(googletag._adBlocked_=!0,f()),g.resolve()};var i="https:"===document.location.protocol;h.src=(i?"https:":"http:")+"//www.googletagservices.com/tag/js/gpt.js";var l=document.getElementsByTagName("script")[0];return l.parentNode.insertBefore(h,l),"none"===h.style.display&&w(),g},w=function(){var b=a.googletag,e=b.cmd,f=function(a,c,d){return b.ads.push(d),b.ads[d]={renderEnded:function(){},addService:function(){return this}},b.ads[d]};b={cmd:{push:function(a){a.call(d)}},ads:[],pubads:function(){return this},noFetch:function(){return this},disableInitialLoad:function(){return this},disablePublisherConsole:function(){return this},enableSingleRequest:function(){return this},setTargeting:function(){return this},collapseEmptyDivs:function(){return this},enableServices:function(){return this},defineSlot:function(a,b,c){return f(a,b,c,!1)},defineOutOfPageSlot:function(a,b){return f(a,[],b,!0)},display:function(a){return b.ads[a].renderEnded.call(d),this}},c.each(e,function(a,c){b.cmd.push(c)})},x={init:m,refreshAds:q};c.dfp=c.fn.dfp=function(a,d){var f;if(a===b||"string"==typeof a&&"init"===a)f="function"==typeof this?i:this,x.init.call(this,e,f,{});else if("object"==typeof a)d=a,a=d.dfpID||e,f="function"==typeof this?i:this,x.init.call(this,a,f,d);else{if(x[a]!==b)return x[a].apply(this,d);c.error("Method "+a+" does not exist")}return this}})}(window);
\ No newline at end of file
diff --git a/tests/SpecRunner.html b/tests/SpecRunner.html
index f406053..b4918f4 100755
--- a/tests/SpecRunner.html
+++ b/tests/SpecRunner.html
@@ -21,6 +21,7 @@
   <!-- include spec files here... -->
   <script type="text/javascript" src="spec/loadingPhaseSpec.js"></script>
   <script type="text/javascript" src="spec/adUnitSpec.js"></script>
+  <script type="text/javascript" src="spec/displayAdsSpec.js"></script>
   <script type="text/javascript" src="spec/TargetingSpec.js"></script>
   <script type="text/javascript" src="spec/categoryExclusionSpec.js"></script>
   <script type="text/javascript" src="spec/setLocationSpec.js"></script>
diff --git a/tests/spec/displayAdsSpec.js b/tests/spec/displayAdsSpec.js
new file mode 100644
index 0000000..ff6ef40
--- /dev/null
+++ b/tests/spec/displayAdsSpec.js
@@ -0,0 +1,45 @@
+describe('Display Ad units', function () {
+
+    var cleanup = function () {
+        $('.adunit').remove();
+        $('script[src*="gpt.js"]').remove();
+        window.googletag = undefined;
+    };
+    beforeEach(cleanup);
+    afterEach(cleanup);
+
+    it('Refresh ads in single request with disable init load', function (done) {
+        var mock = {};
+        mock.refresh = function (param) {
+        };
+
+        var dummyTag = {};
+        dummyTag.pubads = function () {
+            return {
+                refresh: mock.refresh
+            };
+        };
+
+        dummyTag.enableServices = function () {};
+
+        spyOn(dummyTag, 'enableServices').and.callThrough();
+        spyOn(mock, 'refresh').and.callThrough();
+
+        jQuery.dfp({
+            dfpID: 'xxxxxxxxx',
+            googletag: dummyTag,
+            disableInitialLoad: true
+        });
+
+        waitsForAndRuns(function () {
+            if (typeof window.googletag.getVersion === 'function') {
+                return true;
+            } else {
+                return false;
+            }
+        }, function () {
+            expect(mock.refresh).toHaveBeenCalled();
+            done();
+        }, 5000);
+    });
+});
\ No newline at end of file
diff --git a/tests/spec/loadingPhaseSpec.js b/tests/spec/loadingPhaseSpec.js
index 0b294c2..e535611 100644
--- a/tests/spec/loadingPhaseSpec.js
+++ b/tests/spec/loadingPhaseSpec.js
@@ -47,7 +47,7 @@ describe('Loading Phase', function () {
                 return false;
             }
         }, function () {
-            expect(window.googletag.getVersion()).toBeGreaterThan('23');
+            expect(window.googletag.getVersion()).toBeGreaterThan(23);
             done();
         }, 5000);
     });