diff --git a/chrome/autohide_menubar.css b/chrome/autohide_menubar.css
index 577c4a0..03dd59a 100644
--- a/chrome/autohide_menubar.css
+++ b/chrome/autohide_menubar.css
@@ -3,7 +3,7 @@
 /* Make sure you have menubar enabled */
 
 #TabsToolbar > .toolbar-items{ position: relative; z-index: 5; }
-#toolbar-menubar > .titlebar-buttonbox-container{ float: right }
+#toolbar-menubar > .titlebar-buttonbox-container{ float: right; display: block }
 #TabsToolbar > .titlebar-spacer{ display: -moz-box !important; }
 
 #toolbar-menubar{
diff --git a/chrome/overlay_menubar.css b/chrome/overlay_menubar.css
index eed2d9e..ec156f7 100644
--- a/chrome/overlay_menubar.css
+++ b/chrome/overlay_menubar.css
@@ -13,7 +13,7 @@
 
 :root[tabsintitlebar][sizemode="maximized"] #toolbar-menubar{ top: 8px; }
 
-#toolbar-menubar > .titlebar-buttonbox-container{ float: right }
+#toolbar-menubar > .titlebar-buttonbox-container{ float: right; display: block }
 #toolbar-menubar[inactive] > .titlebar-buttonbox-container{ display: none }
 
 #main-menubar{ height: calc(var(--tab-min-height) + 4px); background-color: var(--toolbar-bgcolor); }