diff --git a/packages/trace-viewer/src/ui/metadataView.tsx b/packages/trace-viewer/src/ui/metadataView.tsx
index 87126f7896..9ff8bd3955 100644
--- a/packages/trace-viewer/src/ui/metadataView.tsx
+++ b/packages/trace-viewer/src/ui/metadataView.tsx
@@ -28,7 +28,7 @@ export const MetadataView: React.FunctionComponent<{
     {model.baseURL && (
       <>
         <div className='call-section' style={{ paddingTop: 2 }}>Config</div>
-        <div className='call-line'>baseURL:<a className='call-value string' href={model.baseURL} title={model.baseURL} target="_blank">{model.baseURL}</a></div>
+        <div className='call-line'>baseURL:<a className='call-value string' href={model.baseURL} title={model.baseURL} target='_blank' rel='noopener noreferrer'>{model.baseURL}</a></div>
       </>
     )}
     <div className='call-section' style={{ paddingTop: 2 }}>Time</div>