diff --git a/program/serializers.py b/program/serializers.py
index 4eb950c3d91bc7f778075f59efb441d1a6a4cfb7..316d7f7e432ba1aa12d8e9421fead2ff2092eab7 100644
--- a/program/serializers.py
+++ b/program/serializers.py
@@ -83,7 +83,9 @@ class ErrorSerializer(serializers.Serializer):
 
 
 class ProfileSerializer(serializers.ModelSerializer):
-    user_id = serializers.PrimaryKeyRelatedField(queryset=User.objects.all(), source="user")
+    user_id = serializers.PrimaryKeyRelatedField(
+        queryset=User.objects.all(), required=False, source="user"
+    )
 
     class Meta:
         model = UserProfile