diff --git a/app/assets/stylesheets/media.css b/app/assets/stylesheets/media.css
index de39c1d32..f91edeb11 100644
--- a/app/assets/stylesheets/media.css
+++ b/app/assets/stylesheets/media.css
@@ -1,4 +1,4 @@
-@import 'companion_window';
+@import url("companion_window.css");
 
 /* VideoJS CSS overrides for responsive layout
    See http://andreassauer.name/experimente/video-js/demo.html */