diff --git a/core/css/server.css b/core/css/server.css
index d479661574163ccbdad9dd01c762473311e0e07d..223c958f3161384a97a66fe0730a5721158c9dd2 100644
--- a/core/css/server.css
+++ b/core/css/server.css
@@ -365,6 +365,9 @@ li.app-navigation-entry.app-navigation-entry--collapsible > a:hover,
 #header .app-menu .app-menu-entry.app-menu-entry__active[data-app-id^='external_index'] img {
     filter: none;
 }
+#header .app-menu-main .app-menu-entry.app-menu-entry__active::before {
+    opacity: 0;
+}
 
 body .icon-folder,
 body .icon-filetype-folder {