diff --git a/qutebrowser/config/configdata.py b/qutebrowser/config/configdata.py
index 5447f8ed6..a13808e97 100644
--- a/qutebrowser/config/configdata.py
+++ b/qutebrowser/config/configdata.py
@@ -1575,6 +1575,7 @@ KEY_DATA = collections.OrderedDict([
         ('prompt-accept', RETURN_KEYS),
         ('prompt-yes', ['y']),
         ('prompt-no', ['n']),
+        ('prompt-open-download', ['<Ctrl-X>']),
     ])),
 
     ('command,prompt', collections.OrderedDict([