diff --git a/server/spellcheck/mutations.py b/server/spellcheck/mutations.py
index ba443804..c511a4c3 100644
--- a/server/spellcheck/mutations.py
+++ b/server/spellcheck/mutations.py
@@ -1,8 +1,6 @@
 import json
 
 import graphene
-from django.conf import settings
-from graphene import relay
 
 # class SpellCheckPartNode(graphene.ObjectType):
 #     sentence = graphene.String()
@@ -12,11 +10,13 @@ from graphene import relay
 #     corrected = graphene.String()
 from api.utils import get_object
 from assignments.models import Assignment
+from django.conf import settings
+from graphene import relay
 from spellcheck.client import TaskbaseClient
 
 
 def sentence_offset_to_snake_case(result):
-    result['sentence_offset'] = result['sentenceOffset']
+    result["sentence_offset"] = result["sentenceOffset"]
     return result
 
 
@@ -42,27 +42,40 @@ class SpellCheck(relay.ClientIDMutation):
     @classmethod
     def mutate_and_get_payload(cls, root, info, **kwargs):
         user = info.context.user
-        text = kwargs.get('text')
-        assignment_id = kwargs.get('assignment')
+        text = kwargs.get("text")
+        assignment_id = kwargs.get("assignment")
 
         assignment = get_object(Assignment, assignment_id)
 
-        client = TaskbaseClient(settings.TASKBASE_USER, settings.TASKBASE_PASSWORD, settings.TASKBASE_BASEURL)
+        client = TaskbaseClient(
+            settings.TASKBASE_USER,
+            settings.TASKBASE_PASSWORD,
+            settings.TASKBASE_BASEURL,
+        )
 
-        if assignment.taskbase_id is None or assignment.taskbase_id == '':
+        if assignment.taskbase_id is None or assignment.taskbase_id == "":
             # we need to use another user (with more privileges) here, because why not
-            superclient = TaskbaseClient(settings.TASKBASE_SUPERUSER, settings.TASKBASE_SUPERPASSWORD,
-                                         settings.TASKBASE_BASEURL)
+            superclient = TaskbaseClient(
+                settings.TASKBASE_SUPERUSER,
+                settings.TASKBASE_SUPERPASSWORD,
+                settings.TASKBASE_BASEURL,
+            )
             superclient.register_assignment(assignment)
 
         data = json.loads(client.spellcheck(assignment.taskbase_id, text))
 
+        # it seems that there is new nesting inside the data, we're interested in the gradingFeedback
+        feedback = data["gradingFeedback"]
+
         # the property is called sentenceOffset, but graphene expects the property to be called sentence_offset.
         # we convert it manually here. fixme: is there a better way to declare this in the SpellCheckStepNode?
-        transformed_results = list(map(lambda x: x['part'], data['steps']))
-        return cls(correct=data['correct'] == 'CORRECT', results=[
-            sentence_offset_to_snake_case(result) for result in transformed_results
-        ])
+        transformed_results = list(map(lambda x: x["part"], feedback["steps"]))
+        return cls(
+            correct=feedback["correct"] == "CORRECT",
+            results=[
+                sentence_offset_to_snake_case(result) for result in transformed_results
+            ],
+        )
 
 
 class SpellCheckMutations: