diff --git a/ui/media/js/main.js b/ui/media/js/main.js
index 8d3c041a..f7b9b06d 100644
--- a/ui/media/js/main.js
+++ b/ui/media/js/main.js
@@ -522,7 +522,7 @@ async function doMakeImage(task) {
 
         if (typeof renderRequest?.stream !== 'string') {
             console.log('Endpoint response: ', renderRequest)
-            throw new Error(renderRequest.detail || 'Endpoint response does not contains a response stream url.')
+            throw new Error(renderRequest?.detail || 'Endpoint response does not contains a response stream url.')
         }
 
         task['taskStatusLabel'].innerText = "Waiting"