diff --git a/cat.sh b/cat.sh
index 268676e..5a9e2fc 100644
--- a/cat.sh
+++ b/cat.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-cat tampermonkey.txt dll.js pt.js grid.js binheap.js graph.js proto.js utils.js > out.js
+cat tampermonkey.txt dll.js pt.js grid.js binheap.js graph.js proto.js utils.js > out.user.js
diff --git a/out.js b/out.user.js
similarity index 100%
rename from out.js
rename to out.user.js