diff --git a/aqt/reviewer.py b/aqt/reviewer.py
index 36ad245b0..6d132566d 100644
--- a/aqt/reviewer.py
+++ b/aqt/reviewer.py
@@ -272,6 +272,8 @@ $(".ansbut").focus();
         elif url.startswith("typeans:"):
             (cmd, arg) = url.split(":")
             self.processTypedAns(arg)
+        else:
+            QDesktopServices.openUrl(QUrl(url))
 
     # CSS
     ##########################################################################