diff --git a/assets/js/src/newsletters/send.jsx b/assets/js/src/newsletters/send.jsx
index 8c8bfb6cf4..a7f9f07ede 100644
--- a/assets/js/src/newsletters/send.jsx
+++ b/assets/js/src/newsletters/send.jsx
@@ -548,7 +548,7 @@ class NewsletterSend extends React.Component {
             }
             { this.state.validationError !== undefined && (
               <HelpTooltip
-                tooltip={this.state.validationError}
+                tooltip={(<div>{this.state.validationError}</div>)}
                 tooltipId={this.state.validationError}
               />
             ) }