diff --git a/evdev/events.py b/evdev/events.py
index 6c75588..678cbfb 100644
--- a/evdev/events.py
+++ b/evdev/events.py
@@ -103,7 +103,7 @@ def __init__(self, event):
     def __str__(self):
         try:
             ks = ('up', 'down', 'hold')[self.keystate]
-        except IndexError:
+        except IndexError, AttributeError:
             ks = 'unknown'
 
         msg = 'key event at {:f}, {} ({}), {}'