diff --git a/Tools/jsBuilder.sh b/Tools/jsBuilder.sh
index 75fe29d..14c1c8e 100644
--- a/Tools/jsBuilder.sh
+++ b/Tools/jsBuilder.sh
@@ -17,4 +17,5 @@ sed -i -e 's/  */ /g' ${OUT}
 sed -i -e 's/(function *(jsOMS) *{ *"use strict";//g' ${OUT}
 sed -i -e 's/} *(window.jsOMS = window.jsOMS || {}));//g' ${OUT}
 
-echo "(function(jsOMS){\"use strict\";$(cat ${OUT})}(window.jsOMS = window.jsOMS || {}));" > ${OUT}
\ No newline at end of file
+echo "(function(jsOMS){\"use strict\";$(cat ${OUT})}(window.jsOMS = window.jsOMS || {}));" > ${OUT}
+java -jar ${TOOLS_PATH}/closure-compiler* --compilation_level SIMPLE_OPTIMIZATIONS --js ${OUT}