diff --git a/src/main/java/org/commcare/core/process/CommCareInstanceInitializer.java b/src/main/java/org/commcare/core/process/CommCareInstanceInitializer.java
index c81004673..467708c97 100644
--- a/src/main/java/org/commcare/core/process/CommCareInstanceInitializer.java
+++ b/src/main/java/org/commcare/core/process/CommCareInstanceInitializer.java
@@ -244,7 +244,7 @@ protected InstanceRoot setupSessionData(ExternalDataInstance instance) {
         TreeElement root =
                 SessionInstanceBuilder.getSessionInstance(sessionWrapper.getFrame(), getDeviceId(),
                         getVersionString(), getCurrentDrift(), u.getUsername(), u.getUniqueId(),
-                        u.getProperties(), getWindowWidth());
+                        u.getProperties(), getWindowWidth(), getLocale());
         root.setParent(instance.getBase());
         return new ConcreteInstanceRoot(root);
     }
@@ -253,6 +253,10 @@ protected String getWindowWidth() {
         return sessionWrapper.getWindowWidth();
     }
 
+    protected String getLocale() {
+        return Localization.getCurrentLocale();
+    }
+
     protected long getCurrentDrift() {
         return 0;
     }
diff --git a/src/main/java/org/commcare/session/SessionInstanceBuilder.java b/src/main/java/org/commcare/session/SessionInstanceBuilder.java
index 060677d9b..a638f8811 100644
--- a/src/main/java/org/commcare/session/SessionInstanceBuilder.java
+++ b/src/main/java/org/commcare/session/SessionInstanceBuilder.java
@@ -17,11 +17,12 @@ public class SessionInstanceBuilder {
     public static TreeElement getSessionInstance(SessionFrame frame, String deviceId,
                                                   String appversion, long drift,
                                                   String username, String userId,
-                                                  Hashtable<String, String> userFields, String windowWidth) {
+                                                  Hashtable<String, String> userFields, String windowWidth,
+                                                  String applanguage) {
         TreeElement sessionRoot = new TreeElement("session", 0);
 
         addSessionNavData(sessionRoot, frame);
-        addMetadata(sessionRoot, deviceId, appversion, username, userId, drift, windowWidth);
+        addMetadata(sessionRoot, deviceId, appversion, username, userId, drift, windowWidth, applanguage);
         addUserProperties(sessionRoot, userFields);
 
         return sessionRoot;
@@ -88,7 +89,8 @@ private static String getCalloutSearchResultCount(StackFrameStep step) {
 
     private static void addMetadata(TreeElement sessionRoot, String deviceId,
                                     String appversion, String username,
-                                    String userId, long drift, String windowWidth) {
+                                    String userId, long drift, String windowWidth,
+                                    String applanguage) {
         TreeElement sessionMeta = new TreeElement("context", 0);
 
         addData(sessionMeta, "deviceid", deviceId);
@@ -97,6 +99,7 @@ private static void addMetadata(TreeElement sessionRoot, String deviceId,
         addData(sessionMeta, "userid", userId);
         addData(sessionMeta, "drift", String.valueOf(drift));
         addData(sessionMeta, "window_width", windowWidth);
+        addData(sessionMeta, "applanguage", applanguage);
 
         sessionRoot.addChild(sessionMeta);
     }