diff --git a/backend/src/submission/utils.py b/backend/src/submission/utils.py
index 0852c925..bc741ea6 100644
--- a/backend/src/submission/utils.py
+++ b/backend/src/submission/utils.py
@@ -32,10 +32,10 @@ def upload_files(files: list[UploadFile], project: Project) -> str:
         matches = [file for file in filelist if fnmatch.fnmatch(file, r.value)]
 
         if not r.mandatory and len(matches):
-            errors.append({"mandatory": False, "value": r.value,
+            errors.append({"type": "forbidden", "requirement": r.value,
                           "msg": f"Forbidden file(s) found: {r.value}", "files": matches})
         elif r.mandatory and not len(matches):
-            errors.append({"mandatory": True, "value": r.value,
+            errors.append({"type": "mandatory", "requirement": r.value,
                           "msg": f"Required file not found: {r.value}"})
 
     if len(errors):
diff --git a/backend/tests/test_submission.py b/backend/tests/test_submission.py
index fd6d9bad..30ff655a 100644
--- a/backend/tests/test_submission.py
+++ b/backend/tests/test_submission.py
@@ -126,8 +126,8 @@ async def test_project_requirements(client: AsyncClient, group_with_reqs_id: int
     response = await client.post("/api/submissions/", params={"group_id": group_with_reqs_id}, files=[optional])
     assert response.status_code == 422
     assert len(response.json()["detail"]) == 1
-    assert response.json()["detail"][0]["value"] == "*.py"
-    assert response.json()["detail"][0]["mandatory"] is True
+    assert response.json()["detail"][0]["requirement"] == "*.py"
+    assert response.json()["detail"][0]["type"] == "mandatory"
 
     # Submit with forbidden
     response = await client.post(
@@ -135,9 +135,9 @@ async def test_project_requirements(client: AsyncClient, group_with_reqs_id: int
     )
     assert response.status_code == 422
     assert len(response.json()["detail"]) == 2
-    reqs = [(req["value"], req["mandatory"]) for req in response.json()["detail"]]
-    assert ("*.py", True) in reqs
-    assert ("*.pdf", False) in reqs
+    reqs = [(req["requirement"], req["type"]) for req in response.json()["detail"]]
+    assert ("*.py", "mandatory") in reqs
+    assert ("*.pdf", "forbidden") in reqs
 
     # Submit with forbidden and mandatory
     response = await client.post(
@@ -145,8 +145,8 @@ async def test_project_requirements(client: AsyncClient, group_with_reqs_id: int
     )
     assert response.status_code == 422
     assert len(response.json()["detail"]) == 1
-    reqs = [(req["value"], req["mandatory"]) for req in response.json()["detail"]]
-    assert ("*.pdf", False) == reqs[0]
+    reqs = [(req["requirement"], req["type"]) for req in response.json()["detail"]]
+    assert ("*.pdf", "forbidden") == reqs[0]
 
     # Submit with mandatory
     response = await client.post(