diff --git a/system/config/media.yaml b/system/config/media.yaml
index e5439d6d8..9c9918af2 100644
--- a/system/config/media.yaml
+++ b/system/config/media.yaml
@@ -207,7 +207,7 @@ types:
   js:
     type: file
     thumb: media/thumb-js.png
-    mime: application/javascript
+    mime: text/javascript
   json:
     type: file
     thumb: media/thumb-json.png