diff --git a/ietf/secr/rolodex/forms.py b/ietf/secr/rolodex/forms.py
index be6dbd0a9..911d77676 100644
--- a/ietf/secr/rolodex/forms.py
+++ b/ietf/secr/rolodex/forms.py
@@ -29,7 +29,7 @@ class EmailForm(forms.ModelForm):
 class EditPersonForm(forms.ModelForm):
     class Meta:
         model = Person
-        exclude = ('time')
+        exclude = ('time',)
 
     def __init__(self, *args, **kwargs):
         super(EditPersonForm, self).__init__(*args,**kwargs)