diff --git a/mfa/helpers.py b/mfa/helpers.py
index 7840039..16ce931 100644
--- a/mfa/helpers.py
+++ b/mfa/helpers.py
@@ -7,8 +7,9 @@ from mfa.views import verify,goto
 from mfa.recovery import delTokens
 def has_mfa(request,username):
     uk = User_Keys.objects.filter(username=username,enabled=1)
-    if (uk.count()==1 and uk.key_type == "RECOVERY"):
-        delTokens(request)
+    if uk.count()==1: 
+        if (uk.key_type and uk.key_type == "RECOVERY"):
+            delTokens(request)
     elif uk.count()>0:
         return verify(request, username)
     return False