diff --git a/userChrome.css b/userChrome.css
index 7fb4cfc..996ecd7 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -16,6 +16,7 @@
  * #context-sendimage,
  * #context-sendvideo,
  * #context-sendaudio,
+ * #context-sep-setbackground,
  * #context-setDesktopBackground {
  *   display: none !important;
  * }