diff --git a/RIGS/urls.py b/RIGS/urls.py
index c32d2e63..01dc1d94 100644
--- a/RIGS/urls.py
+++ b/RIGS/urls.py
@@ -78,34 +78,34 @@ urlpatterns = [
          permission_required_with_403('RIGS.view_event')(versioning.ActivityFeed.as_view()),
          name='activity_feed'),
 
+    path('event/<int:pk>/', has_oembed(oembed_view="event_oembed")(
+         rigboard.EventDetail.as_view()),
+         name='event_detail'),
     path('event/create/',
         permission_required_with_403('RIGS.add_event')(rigboard.EventCreate.as_view()),
         name='event_create'),
-    path('event/<str:pk>/', has_oembed(oembed_view="event_oembed")(
-        rigboard.EventDetail.as_view()),
-         name='event_detail'),
-    url(r'^event/(?P<pk>\d+)/embed/$', xframe_options_exempt(
-        login_required(login_url='/user/login/embed/')(rigboard.EventEmbed.as_view())),
-        name='event_embed'),
-    url(r'^event/(?P<pk>\d+)/oembed_json/$',
-        rigboard.EventOembed.as_view(),
-        name='event_oembed'),
-    url(r'^event/(?P<pk>\d+)/print/$',
-        permission_required_with_403('RIGS.view_event')(rigboard.EventPrint.as_view()),
-        name='event_print'),
-    url(r'^event/(?P<pk>\d+)/ra/$',
-        permission_required_with_403('RIGS.change_event')(rigboard.EventRA.as_view()),
-        name='event_ra'),
-    url(r'^event/(?P<pk>\d+)/edit/$',
-        permission_required_with_403('RIGS.change_event')(rigboard.EventUpdate.as_view()),
-        name='event_update'),
-    url(r'^event/(?P<pk>\d+)/duplicate/$',
-        permission_required_with_403('RIGS.add_event')(rigboard.EventDuplicate.as_view()),
-        name='event_duplicate'),
     path('event/archive/', login_required()(rigboard.EventArchive.as_view()),
          name='event_archive'),
+    path('event/<int:pk>/embed/', xframe_options_exempt(
+        login_required(login_url='/user/login/embed/')(rigboard.EventEmbed.as_view())),
+        name='event_embed'),
+    path('event/<int:pk>/oembed_json/',
+        rigboard.EventOembed.as_view(),
+        name='event_oembed'),
+    path('event/<int:pk>/print/',
+        permission_required_with_403('RIGS.view_event')(rigboard.EventPrint.as_view()),
+        name='event_print'),
+    path('event/<int:pk>/ra/',
+        permission_required_with_403('RIGS.change_event')(rigboard.EventRA.as_view()),
+        name='event_ra'),
+    path('event/<int:pk>/edit/',
+        permission_required_with_403('RIGS.change_event')(rigboard.EventUpdate.as_view()),
+        name='event_update'),
+    path('event/<int:pk>/duplicate/',
+        permission_required_with_403('RIGS.add_event')(rigboard.EventDuplicate.as_view()),
+        name='event_duplicate'),
 
-    url(r'^event/(?P<pk>\d+)/history/$',
+    path('event/<int:pk>/history/',
         permission_required_with_403('RIGS.view_event')(versioning.VersionHistory.as_view()),
         name='event_history', kwargs={'model': models.Event}),