diff --git a/atlas/filters.py b/atlas/filters.py
index 7ca92546..d67f2275 100755
--- a/atlas/filters.py
+++ b/atlas/filters.py
@@ -22,7 +22,7 @@ class CaseFilter(django_filters.FilterSet):
     )
     differential = django_filters.ModelMultipleChoiceFilter(
         field_name="differential__differentialset__condition",
-        to_field_name="name",
+        to_field_name="differential",
         queryset=Condition.objects.all(),
     )