diff --git a/horizon/dashboards/syspanel/users/tables.py b/horizon/dashboards/syspanel/users/tables.py
index 41f0501..d2f7f47 100644
--- a/horizon/dashboards/syspanel/users/tables.py
+++ b/horizon/dashboards/syspanel/users/tables.py
@@ -106,7 +106,7 @@ class UserFilterAction(tables.FilterAction):
         q = filter_string.lower()
 
         def comp(user):
-            if q in user.name.lower() or q in user.email.lower():
+            if user.name and q in user.name.lower() or user.email and q in user.email.lower():
                 return True
             return False