diff --git a/lib/live-server/injected.html b/lib/live-server/injected.html
index da4f4121..8fbe6387 100644
--- a/lib/live-server/injected.html
+++ b/lib/live-server/injected.html
@@ -33,6 +33,7 @@
 	}
 	else {
 		console.error('Upgrade your browser. This Browser is NOT supported WebSocket for Live-Reloading.');
+		window.alert('Upgrade your browser. This Browser is NOT supported WebSocket for Live-Reloading.')
 	}
 	// ]]>
 </script>