diff --git a/tracking/browser.py b/tracking/browser.py
index 69e8549..16b84a5 100644
--- a/tracking/browser.py
+++ b/tracking/browser.py
@@ -95,7 +95,7 @@ class TrackView(object):
 
     @Lazy
     def user(self):
-        return self.metadata['userName']
+        return self.metadata.get('userName') or u''
 
     userTitle = user
     userUrl = None