diff --git a/okta_oauth2/urls.py b/okta_oauth2/urls.py
index c08311e..1124daf 100644
--- a/okta_oauth2/urls.py
+++ b/okta_oauth2/urls.py
@@ -4,6 +4,6 @@
 
 urlpatterns = [
     path("login/", views.login, name="login"),
-    path("oauth2/callback/", views.callback, name="callback"),
+    re_path("oauth2/callback/?", views.callback, name="callback"),
     path("logout/", views.logout, name="logout"),
 ]