diff --git a/_scripts/ecstatic_gen b/_scripts/ecstatic_gen
index fccd955..cc9edd8 100755
--- a/_scripts/ecstatic_gen
+++ b/_scripts/ecstatic_gen
@@ -1,2 +1,3 @@
-#!/bin/bash
-./pillar export --to='html'
\ No newline at end of file
+#!/usr/bin/env bash
+
+./pillar export --to='html'
diff --git a/_scripts/install.sh b/_scripts/install.sh
index 16158a5..7fbbf34 100755
--- a/_scripts/install.sh
+++ b/_scripts/install.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 wget --quiet -O - get.pharo.org/61+vm | bash
 REPO=http://smalltalkhub.com/mc/RMoD/Ecstatic/main
 ./pharo Pharo.image config $REPO ConfigurationOfEcstatic --install=0.9.1 --group='ALL'
diff --git a/_scripts/publish-gh-pages.sh b/_scripts/publish-gh-pages.sh
index 9dfa278..7b6695a 100755
--- a/_scripts/publish-gh-pages.sh
+++ b/_scripts/publish-gh-pages.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 git add *
 git commit -m "publishing"
 git checkout gh-pages
@@ -12,4 +14,4 @@ git commit -m "deploy"
 git push
 
 git checkout master
-git checkout master -- _site
\ No newline at end of file
+git checkout master -- _site
diff --git a/_scripts/publish-github-io.sh b/_scripts/publish-github-io.sh
index 1d326f1..5f14e8d 100755
--- a/_scripts/publish-github-io.sh
+++ b/_scripts/publish-github-io.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 SOURCES_BRANCH=${1:-source}
 DEPLOY_BRANCH=${2:-master}