diff --git a/userContent-files/webextension-tweaks/multiple_tab_handler.css b/userContent-files/webextension-tweaks/multiple_tab_handler.css
index 6cfaf9d..9aa0091 100644
--- a/userContent-files/webextension-tweaks/multiple_tab_handler.css
+++ b/userContent-files/webextension-tweaks/multiple_tab_handler.css
@@ -1,7 +1,7 @@
 /*! Alters the webextension Multiple Tab Handler
   IMPORTANT: change the Internal UUID */
 
-@-moz-document url-prefix("moz-extension://multiple_tabs_handler_UUID/") {
+@-moz-document url-prefix("moz-extension://multiple_tab_handler_UUID/") {
   h1, p, ul, ul li {
     color: var(--primary-light-color) !important;
   }