diff --git a/awx/ui/client/lib/components/layout/_index.less b/awx/ui/client/lib/components/layout/_index.less
index 73868252e6..ad2dc00958 100644
--- a/awx/ui/client/lib/components/layout/_index.less
+++ b/awx/ui/client/lib/components/layout/_index.less
@@ -99,7 +99,7 @@
             margin-left: -11px;
         }
 
-        .at-Popover-arrow [
+        .at-Popover-arrow {
             padding-top: 7px;
             margin-left: -10px;
         }