diff --git a/tests/test_routers.py b/tests/test_routers.py
index ff927ff33..0e45f88e7 100644
--- a/tests/test_routers.py
+++ b/tests/test_routers.py
@@ -271,7 +271,7 @@ class TestTrailingSlashIncluded(TestCase):
         self.urls = self.router.urls
 
     def test_urls_have_trailing_slash_by_default(self):
-        expected = ['^notes/$', '^notes/(?P<pk>[^/.]+)/$']
+        expected = ['^notes/$', '^notes/(?P<pk>[^/]+)/$']
         for idx in range(len(expected)):
             assert expected[idx] == get_regex_pattern(self.urls[idx])
 
@@ -286,7 +286,7 @@ class TestTrailingSlashRemoved(TestCase):
         self.urls = self.router.urls
 
     def test_urls_can_have_trailing_slash_removed(self):
-        expected = ['^notes$', '^notes/(?P<pk>[^/.]+)$']
+        expected = ['^notes$', '^notes/(?P<pk>[^/]+)$']
         for idx in range(len(expected)):
             assert expected[idx] == get_regex_pattern(self.urls[idx])