diff --git a/ui/app/components/ui/tooltip-v2.js b/ui/app/components/ui/tooltip-v2.js
index 7a90f6fcc..941ae1e55 100644
--- a/ui/app/components/ui/tooltip-v2.js
+++ b/ui/app/components/ui/tooltip-v2.js
@@ -14,7 +14,7 @@ export default class Tooltip extends PureComponent {
     size: 'small',
     title: null,
     trigger: 'mouseenter',
-    wrapperClassName: '',
+    wrapperClassName: undefined,
   }
 
   static propTypes = {