diff --git a/UI/WebServerResources/UIxAclEditor.css b/UI/WebServerResources/UIxAclEditor.css
index 384c47f71..1ec4fa5c0 100644
--- a/UI/WebServerResources/UIxAclEditor.css
+++ b/UI/WebServerResources/UIxAclEditor.css
@@ -47,6 +47,7 @@ UL#userList
   top: 30px;
   bottom: 33px;
   padding: 0px;
+  margin: 0px;
   white-space: nowrap;
   overflow: auto;
   border-bottom: 1px solid #fff;