diff --git a/modules/system/classes/CombineAssets.php b/modules/system/classes/CombineAssets.php
index dd0081627..b5bd6e19d 100644
--- a/modules/system/classes/CombineAssets.php
+++ b/modules/system/classes/CombineAssets.php
@@ -175,7 +175,7 @@ class CombineAssets
 
         $combiner = $this->prepareCombiner($cacheInfo['files']);
         $contents = $combiner->dump();
-        $mime = ($cacheInfo['extension'] == 'css') ? 'text/css' : 'text/javascript';
+        $mime = ($cacheInfo['extension'] == 'css') ? 'text/css' : 'application/javascript';
 
         header_remove();
         $response = Response::make($contents);