diff --git a/hypha/apply/api/v1/serializers.py b/hypha/apply/api/v1/serializers.py
index d5c702e8596434c7ab9d0a5818a6bc440516cd79..75b4b48b9dda7a9d9d03f5c45f215ad99776a65f 100644
--- a/hypha/apply/api/v1/serializers.py
+++ b/hypha/apply/api/v1/serializers.py
@@ -160,7 +160,7 @@ class SubmissionDetailSerializer(serializers.ModelSerializer):
     phase = serializers.CharField()
     screening = serializers.ReadOnlyField(source='screening_status.title')
     action_buttons = serializers.SerializerMethodField()
-    is_determination_form_attached = serializers.BooleanField(source='*')
+    is_determination_form_attached = serializers.BooleanField(read_only=True)
 
     class Meta:
         model = ApplicationSubmission