diff --git a/scss/components/_toolbar.scss b/scss/components/_toolbar.scss
index bc1993a47e..8f8fb9ce11 100644
--- a/scss/components/_toolbar.scss
+++ b/scss/components/_toolbar.scss
@@ -114,4 +114,11 @@
 #zotero-tb-pq-recognize .toolbarbutton-icon {
 	width: 18px;
 	margin-top: 1px;
+}
+
+toolbox {
+	@media (-moz-platform: linux) {
+		background: Menu;
+		appearance: initial;
+	}
 }
\ No newline at end of file