diff --git a/metadata/org.andstatus.app.txt b/metadata/org.andstatus.app.txt
index cd3fcf5d7a..468166af26 100644
--- a/metadata/org.andstatus.app.txt
+++ b/metadata/org.andstatus.app.txt
@@ -188,6 +188,7 @@ Build:13.3,116
 Build:14.0,117
     commit=AndStatus-14.0
     subdir=app
+    prebuild=echo -e 'java.source=1.7\njava.target=1.7' > ant.properties
 
 Maintainer Notes:
 Remove the jars at https://github.com/andstatus/andstatus/tree/master/app/libs