diff --git a/qutebrowser/config/configexc.py b/qutebrowser/config/configexc.py
index b7df1eceb..1444f79ab 100644
--- a/qutebrowser/config/configexc.py
+++ b/qutebrowser/config/configexc.py
@@ -92,7 +92,8 @@ class ConfigErrorDesc:
     traceback = attr.ib(None)
 
     def __str__(self):
-        return '{}: {} '.format(self.text, repr(self.exception))
+        return '{} - {}: {} '.format(self.text,
+                                     self.exception.__class__.__name__, self.exception)
 
     def with_text(self, text):
         """Get a new ConfigErrorDesc with the given text appended."""