diff --git a/frontend/less/espo/custom.less b/frontend/less/espo/custom.less
index a4ac13b079..58c305140a 100644
--- a/frontend/less/espo/custom.less
+++ b/frontend/less/espo/custom.less
@@ -1992,7 +1992,7 @@ label.attach-file-label {
     position: fixed;
     top: 0;
     margin: @navbar-height 0 0 -@container-padding;
-    z-index: 4;
+    z-index: 5;
 }
 
 .stick-sub.button-container {