diff --git a/tests/config/test_config.py b/tests/config/test_config.py
index 6bee98ee4..37ab94c26 100644
--- a/tests/config/test_config.py
+++ b/tests/config/test_config.py
@@ -31,7 +31,9 @@ from PyQt5.QtCore import QObject
 from PyQt5.QtGui import QColor
 import pytest
 
-from qutebrowser.config import config, configexc
+from qutebrowser.config import config, configexc, configdata
+from qutebrowser.config.parsers import keyconf
+from qutebrowser.commands import runners
 from qutebrowser.utils import objreg, standarddir
 
 
@@ -164,6 +166,16 @@ class TestDefaultConfig:
         conf = config.ConfigManager(None, None)
         conf._validate_all()
 
+    def test_default_key_config(self):
+        """Test validating of the default key config."""
+        # We import qutebrowser.app so the cmdutils.register decorators run.
+        import qutebrowser.app
+        conf = keyconf.KeyConfigParser(None, None)
+        runner = runners.CommandRunner(win_id=0)
+        for sectname in configdata.KEY_DATA:
+            for cmd in conf.get_bindings_for(sectname).values():
+                runner.parse(cmd, aliases=False)
+
 
 class TestConfigInit: