diff --git a/scripts/bust.sh b/scripts/bust.sh
index d00a5829..92f956c7 100755
--- a/scripts/bust.sh
+++ b/scripts/bust.sh
@@ -1,3 +1,3 @@
 #!/bin/bash - 
 APP_PATH=`find built | grep "winamp-.*.js$"`
-sed -i .bk "s#built\/winamp.js#$APP_PATH#" index.html
+sed -i.bk "s#built\/winamp.js#$APP_PATH#" index.html