diff --git a/src/backend/core/tests/team_accesses/test_api_team_accesses_retrieve.py b/src/backend/core/tests/team_accesses/test_api_team_accesses_retrieve.py
index 3c28fb0..ee6d4e8 100644
--- a/src/backend/core/tests/team_accesses/test_api_team_accesses_retrieve.py
+++ b/src/backend/core/tests/team_accesses/test_api_team_accesses_retrieve.py
@@ -42,7 +42,7 @@ def test_api_team_accesses_retrieve_authenticated_unrelated():
         f"/api/v1.0/teams/{access.team.id!s}/accesses/{access.id!s}/",
     )
     assert response.status_code == 404
-    assert response.json() == {"detail": "Not found."}
+    assert response.json() == {"detail": "No TeamAccess matches the given query."}
 
     # Accesses related to another team should be excluded even if the user is related to it
     for other_access in [
@@ -54,7 +54,7 @@ def test_api_team_accesses_retrieve_authenticated_unrelated():
         )
 
         assert response.status_code == 404
-        assert response.json() == {"detail": "Not found."}
+        assert response.json() == {"detail": "No TeamAccess matches the given query."}
 
 
 def test_api_team_accesses_retrieve_authenticated_related():
diff --git a/src/backend/core/tests/teams/test_core_api_teams_delete.py b/src/backend/core/tests/teams/test_core_api_teams_delete.py
index 9017509..861e6fa 100644
--- a/src/backend/core/tests/teams/test_core_api_teams_delete.py
+++ b/src/backend/core/tests/teams/test_core_api_teams_delete.py
@@ -45,7 +45,7 @@ def test_api_teams_delete_authenticated_unrelated():
     )
 
     assert response.status_code == HTTP_404_NOT_FOUND
-    assert response.json() == {"detail": "Not found."}
+    assert response.json() == {"detail": "No Team matches the given query."}
     assert models.Team.objects.count() == 1
 
 
diff --git a/src/backend/core/tests/teams/test_core_api_teams_retrieve.py b/src/backend/core/tests/teams/test_core_api_teams_retrieve.py
index 36eedea..1fdb62c 100644
--- a/src/backend/core/tests/teams/test_core_api_teams_retrieve.py
+++ b/src/backend/core/tests/teams/test_core_api_teams_retrieve.py
@@ -38,7 +38,7 @@ def test_api_teams_retrieve_authenticated_unrelated():
         f"/api/v1.0/teams/{team.id!s}/",
     )
     assert response.status_code == HTTP_404_NOT_FOUND
-    assert response.json() == {"detail": "Not found."}
+    assert response.json() == {"detail": "No Team matches the given query."}
 
 
 def test_api_teams_retrieve_authenticated_related():
diff --git a/src/backend/core/tests/teams/test_core_api_teams_update.py b/src/backend/core/tests/teams/test_core_api_teams_update.py
index 64f0d55..60c8610 100644
--- a/src/backend/core/tests/teams/test_core_api_teams_update.py
+++ b/src/backend/core/tests/teams/test_core_api_teams_update.py
@@ -61,7 +61,7 @@ def test_api_teams_update_authenticated_unrelated():
     )
 
     assert response.status_code == HTTP_404_NOT_FOUND
-    assert response.json() == {"detail": "Not found."}
+    assert response.json() == {"detail": "No Team matches the given query."}
 
     team.refresh_from_db()
     team_values = serializers.TeamSerializer(instance=team).data
@@ -188,7 +188,7 @@ def test_api_teams_update_administrator_or_owner_of_another():
     )
 
     assert response.status_code == HTTP_404_NOT_FOUND
-    assert response.json() == {"detail": "Not found."}
+    assert response.json() == {"detail": "No Team matches the given query."}
 
     team.refresh_from_db()
     team_values = serializers.TeamSerializer(instance=team).data