diff --git a/toolkit/themes/linux/global/toolbar.css b/toolkit/themes/linux/global/toolbar.css
index f988fe59103e..05a6c2ddc513 100644
--- a/toolkit/themes/linux/global/toolbar.css
+++ b/toolkit/themes/linux/global/toolbar.css
@@ -34,6 +34,7 @@ menubar, toolbar[type="menubar"] {
 menubar:-moz-lwtheme,
 toolbar:-moz-lwtheme {
   -moz-appearance: none;
+  color: inherit;
 }
 
 /* in browser.xul, the menubar is inside a toolbar... */