diff --git a/drf_test_generator/viewset.py b/drf_test_generator/viewset.py
index 1c00a23..8dc999f 100644
--- a/drf_test_generator/viewset.py
+++ b/drf_test_generator/viewset.py
@@ -112,6 +112,7 @@ def build_request(self, http_method: str) -> str:
     def build_test_method_name(
         self, basename: str, action_name: str, http_method: str
     ) -> str:
+        basename = basename.replace("-", "_")
         return f"test_{basename}_{action_name}_{http_method}"
 
     def build_reverse(
diff --git a/tests/test_viewset_test_generator_pytest.py b/tests/test_viewset_test_generator_pytest.py
index d7797e5..4d72ef7 100644
--- a/tests/test_viewset_test_generator_pytest.py
+++ b/tests/test_viewset_test_generator_pytest.py
@@ -14,7 +14,7 @@ class PostViewSet(viewsets.ModelViewSet):
         ...
 
     router = routers.DefaultRouter()
-    router.register("posts", PostViewSet, basename="post")
+    router.register("posts", PostViewSet, basename="blog-post")
 
     expected_tests = textwrap.dedent(
         """\
@@ -28,43 +28,43 @@ class PostViewSet(viewsets.ModelViewSet):
 
 
         @pytest.mark.django_db
-        def test_post_list_get(client):
-            url = reverse('post-list')
+        def test_blog_post_list_get(client):
+            url = reverse('blog-post-list')
             response = client.get(url)
             assert response.status_code == status.HTTP_200_OK
 
 
         @pytest.mark.django_db
-        def test_post_create_post(client):
-            url = reverse('post-list')
+        def test_blog_post_create_post(client):
+            url = reverse('blog-post-list')
             response = client.post(url, data={})
             assert response.status_code == status.HTTP_201_CREATED
 
 
         @pytest.mark.django_db
-        def test_post_retrieve_get(client):
-            url = reverse('post-detail', kwargs={'pk': None})
+        def test_blog_post_retrieve_get(client):
+            url = reverse('blog-post-detail', kwargs={'pk': None})
             response = client.get(url)
             assert response.status_code == status.HTTP_200_OK
 
 
         @pytest.mark.django_db
-        def test_post_update_put(client):
-            url = reverse('post-detail', kwargs={'pk': None})
+        def test_blog_post_update_put(client):
+            url = reverse('blog-post-detail', kwargs={'pk': None})
             response = client.put(url, data={})
             assert response.status_code == status.HTTP_200_OK
 
 
         @pytest.mark.django_db
-        def test_post_partial_update_patch(client):
-            url = reverse('post-detail', kwargs={'pk': None})
+        def test_blog_post_partial_update_patch(client):
+            url = reverse('blog-post-detail', kwargs={'pk': None})
             response = client.patch(url, data={})
             assert response.status_code == status.HTTP_200_OK
 
 
         @pytest.mark.django_db
-        def test_post_destroy_delete(client):
-            url = reverse('post-detail', kwargs={'pk': None})
+        def test_blog_post_destroy_delete(client):
+            url = reverse('blog-post-detail', kwargs={'pk': None})
             response = client.delete(url)
             assert response.status_code == status.HTTP_204_NO_CONTENT
     """