diff --git a/koha-tmpl/intranet-tmpl/prog/css/src/_header.scss b/koha-tmpl/intranet-tmpl/prog/css/src/_header.scss
index ecd762633c..d20a76d12d 100644
--- a/koha-tmpl/intranet-tmpl/prog/css/src/_header.scss
+++ b/koha-tmpl/intranet-tmpl/prog/css/src/_header.scss
@@ -123,7 +123,7 @@
         border: 1px solid $background-color-primary;
         border-top: 0 none;
         box-shadow: 0 2px 2px 1px #00000030;
-        z-index: 1;
+        z-index: 1000;
         display: none;
 
         a {