diff --git a/browser/base/content/browser.css b/browser/base/content/browser.css
index 03a778809dc8..8f0267b45328 100644
--- a/browser/base/content/browser.css
+++ b/browser/base/content/browser.css
@@ -334,6 +334,13 @@ toolbar[customizing] #whats-new-menu-button {
   visibility: hidden;
 }
 
+@media (-moz-platform: linux) {
+    *|*:root[shellshowingmenubar="true"]
+    #toolbar-menubar[autohide="true"]:not([inactive]) + #TabsToolbar > .titlebar-buttonbox-container {
+      visibility: visible !important;
+    }
+}
+
 :root[tabsintitlebar] .titlebar-buttonbox {
   position: relative;
 }
-- 
2.37.3