diff --git a/atlas/filters.py b/atlas/filters.py
index 35d5e9b8..3e76aaa6 100755
--- a/atlas/filters.py
+++ b/atlas/filters.py
@@ -177,7 +177,7 @@ class PathologicalProcessFilter(django_filters.FilterSet):
 class SubspecialtyFilter(django_filters.FilterSet):
     class Meta:
         model = Subspecialty
-        fields = ("name")
+        fields = ("name",)
 
     def __init__(
         self,