diff --git a/client/src/app/site/users/components/user-list/user-list.component.scss b/client/src/app/site/users/components/user-list/user-list.component.scss
index d30857b94..a2b40bf59 100644
--- a/client/src/app/site/users/components/user-list/user-list.component.scss
+++ b/client/src/app/site/users/components/user-list/user-list.component.scss
@@ -18,6 +18,7 @@
     }
 
     .mat-column-group {
+        z-index: 3;
         flex: 2 0 60px;
     }