diff --git a/core/css/header.scss b/core/css/header.scss
index 349b36ed51..3693dcecb8 100644
--- a/core/css/header.scss
+++ b/core/css/header.scss
@@ -571,7 +571,7 @@ nav[role='navigation'] {
 	padding: 11px;
 	position: absolute;
 	overflow: hidden;
-	z-index: 1000;
+	z-index: 9999;
 	top: -999px;
 	left: 3px;
 	/* Force primary color, otherwise too light focused color */