diff --git a/umap/tests/test_map_views.py b/umap/tests/test_map_views.py
index 23b06f2a..67be7400 100644
--- a/umap/tests/test_map_views.py
+++ b/umap/tests/test_map_views.py
@@ -122,20 +122,8 @@ def test_delete(client, map, datalayer):
 
 def test_wrong_slug_should_redirect_to_canonical(client, map):
     url = reverse("map", kwargs={"pk": map.pk, "slug": "wrong-slug"})
-    canonical = reverse("map", kwargs={"pk": map.pk, "slug": map.slug})
     response = client.get(url)
-    assert response.status_code == 301
-    assert response["Location"] == canonical
-
-
-def test_wrong_slug_should_redirect_with_query_string(client, map):
-    url = reverse("map", kwargs={"pk": map.pk, "slug": "wrong-slug"})
-    url = "{}?allowEdit=0".format(url)
-    canonical = reverse("map", kwargs={"pk": map.pk, "slug": map.slug})
-    canonical = "{}?allowEdit=0".format(canonical)
-    response = client.get(url)
-    assert response.status_code == 301
-    assert response["Location"] == canonical
+    assert response.status_code == 404
 
 
 def test_should_not_consider_the_query_string_for_canonical_check(client, map):
diff --git a/umap/views.py b/umap/views.py
index bc8cc3c9..d91a4bc5 100644
--- a/umap/views.py
+++ b/umap/views.py
@@ -451,6 +451,8 @@ class PermissionsMixin:
 
 
 class MapView(MapDetailMixin, PermissionsMixin, DetailView):
+    query_pk_and_slug = True
+
     def get(self, request, *args, **kwargs):
         self.object = self.get_object()
         canonical = self.get_canonical_url()