diff --git a/deluge/ui/web/js/build.sh b/deluge/ui/web/js/build.sh
index 335538b6f..490b00887 100755
--- a/deluge/ui/web/js/build.sh
+++ b/deluge/ui/web/js/build.sh
@@ -30,7 +30,7 @@ build_deluge() {
     [ $NEEDS_BUILD == false ] && return 0
 
     echo "Building deluge-yc.js"
-    cat $ALL_FILES > deluge-yc.js.tmp
+    cat $DELUGE_FILES > deluge-yc.js.tmp
     yuicompressor --type=js -o "deluge-yc.js" "deluge-yc.js.tmp"
     rm "deluge-yc.js.tmp"
 }