diff --git a/public/js/extensions.js b/public/js/extensions.js
index e559f9c8..0900a786 100644
--- a/public/js/extensions.js
+++ b/public/js/extensions.js
@@ -202,6 +202,7 @@ function QrCodeImgHtml(text)
 		includetext: false
 	});
 	img.src = dummyCanvas.toDataURL("image/png");
+	img.classList.add("qr-code");
 
 	return img.outerHTML;
 }