diff -Nru gradle-1.4/debian/changelog gradle-1.4/debian/changelog
--- gradle-1.4/debian/changelog	2013-09-09 17:54:37.000000000 +0000
+++ gradle-1.4/debian/changelog	2015-12-16 08:44:08.000000000 +0000
@@ -1,3 +1,9 @@
+gradle (1.4-2ubuntu2) trusty; urgency=medium
+
+  * Only set JAVA_HOME in the gradle script when unset.
+
+ -- Matthias Klose <doko@ubuntu.com>  Wed, 16 Dec 2015 09:43:40 +0100
+
 gradle (1.4-2ubuntu1) saucy; urgency=low
 
   * Adjust Build-Conflicts to cope with the anomalous version of groovy
diff -Nru gradle-1.4/debian/gradle.sed gradle-1.4/debian/gradle.sed
--- gradle-1.4/debian/gradle.sed	2013-08-11 15:03:12.000000000 +0000
+++ gradle-1.4/debian/gradle.sed	2015-12-16 08:43:35.000000000 +0000
@@ -1,4 +1,6 @@
 #!/bin/sed -f
 /^# Determine the Java command to use to start the JVM/ i\
-export JAVA_HOME=/usr/lib/jvm/default-java\
+if [ -z "$JAVA_HOME" ]; then\
+  export JAVA_HOME=/usr/lib/jvm/default-java\
+fi\