diff --git a/userChrome.css b/userChrome.css
index c0a2f63..263f6ee 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -3204,8 +3204,8 @@ menupopup > menu {
 #tabbrowser-tabs {
   z-index: 1 !important;
 }
-#tabbrowser-arrowscrollbox[overflowing] .tabbrowser-tab[pinned]:is([visuallyselected], [multiselected]) {
-  overflow: hidden;
+#TabsToolbar {
+  overflow: hidden;   /* Prevent toolbar area over */
 }
 
 /** Selected Tab - Color like toolbar *****************************************/