diff --git a/combo/manager/urls.py b/combo/manager/urls.py
index b56f79be..66d34eef 100644
--- a/combo/manager/urls.py
+++ b/combo/manager/urls.py
@@ -29,53 +29,53 @@ urlpatterns = [
         url(r'^site-export$', views.site_export, name='combo-manager-site-export'),
         url(r'^site-import$', views.site_import, name='combo-manager-site-import'),
         url(r'^pages/add/$', views.page_add, name='combo-manager-page-add'),
-        url(r'^pages/(?P<pk>\w+)/$', views.page_view,
+        url(r'^pages/(?P<pk>\d+)/$', views.page_view,
             name='combo-manager-page-view'),
-        url(r'^pages/(?P<pk>\w+)/template$', views.page_select_template,
+        url(r'^pages/(?P<pk>\d+)/template$', views.page_select_template,
             name='combo-manager-page-select-template'),
-        url(r'^pages/(?P<pk>\w+)/visibility$', views.page_visibility,
+        url(r'^pages/(?P<pk>\d+)/visibility$', views.page_visibility,
             name='combo-manager-page-visibility'),
-        url(r'^pages/(?P<pk>\w+)/redirection$', views.page_edit_redirection,
+        url(r'^pages/(?P<pk>\d+)/redirection$', views.page_edit_redirection,
             name='combo-manager-page-edit-redirection'),
-        url(r'^pages/(?P<pk>\w+)/exclude-from-navigation$', views.page_edit_exclude_from_navigation,
+        url(r'^pages/(?P<pk>\d+)/exclude-from-navigation$', views.page_edit_exclude_from_navigation,
             name='combo-manager-page-edit-exclude-from-navigation'),
-        url(r'^pages/(?P<pk>\w+)/slug$', views.page_edit_slug,
+        url(r'^pages/(?P<pk>\d+)/slug$', views.page_edit_slug,
             name='combo-manager-page-edit-slug'),
-        url(r'^pages/(?P<pk>\w+)/title$', views.page_edit_title,
+        url(r'^pages/(?P<pk>\d+)/title$', views.page_edit_title,
             name='combo-manager-page-edit-title'),
-        url(r'^pages/(?P<pk>\w+)/description$', views.page_edit_description,
+        url(r'^pages/(?P<pk>\d+)/description$', views.page_edit_description,
             name='combo-manager-page-edit-description'),
-        url(r'^pages/(?P<pk>\w+)/picture/$', views.page_edit_picture,
+        url(r'^pages/(?P<pk>\d+)/picture/$', views.page_edit_picture,
             name='combo-manager-page-edit-picture'),
-        url(r'^pages/(?P<pk>\w+)/remove-picture/$', views.page_remove_picture,
+        url(r'^pages/(?P<pk>\d+)/remove-picture/$', views.page_remove_picture,
             name='combo-manager-page-remove-picture'),
-        url(r'^pages/(?P<pk>\w+)/delete$', views.page_delete,
+        url(r'^pages/(?P<pk>\d+)/delete$', views.page_delete,
             name='combo-manager-page-delete'),
-        url(r'^pages/(?P<pk>\w+)/export$', views.page_export,
+        url(r'^pages/(?P<pk>\d+)/export$', views.page_export,
             name='combo-manager-page-export'),
-        url(r'^pages/(?P<pk>\w+)/add/$', views.page_add_child, name='combo-manager-page-add-child'),
-        url(r'^pages/(?P<pk>\w+)/duplicate$', views.page_duplicate,
+        url(r'^pages/(?P<pk>\d+)/add/$', views.page_add_child, name='combo-manager-page-add-child'),
+        url(r'^pages/(?P<pk>\d+)/duplicate$', views.page_duplicate,
             name='combo-manager-page-duplicate'),
-        url(r'^pages/(?P<pk>\w+)/history$', views.page_history,
+        url(r'^pages/(?P<pk>\d+)/history$', views.page_history,
             name='combo-manager-page-history'),
-        url(r'^pages/(?P<page_pk>\w+)/history/(?P<pk>\w+)/$', views.snapshot_restore,
+        url(r'^pages/(?P<page_pk>\d+)/history/(?P<pk>\d+)/$', views.snapshot_restore,
             name='combo-manager-snapshot-restore'),
-        url(r'^pages/(?P<page_pk>\w+)/add-cell-to-(?P<ph_key>[\w_-]+)/(?P<cell_type>\w+)/(?P<variant>[\w-]+)/$',
+        url(r'^pages/(?P<page_pk>\d+)/add-cell-to-(?P<ph_key>[\w_-]+)/(?P<cell_type>\w+)/(?P<variant>[\w-]+)/$',
             views.page_add_cell,
             name='combo-manager-page-add-cell'),
-        url(r'^pages/(?P<page_pk>\w+)/cell/(?P<cell_reference>[\w_-]+)/$', views.page_edit_cell,
+        url(r'^pages/(?P<page_pk>\d+)/cell/(?P<cell_reference>[\w_-]+)/$', views.page_edit_cell,
             name='combo-manager-page-edit-cell'),
-        url(r'^pages/(?P<page_pk>\w+)/cell/(?P<cell_reference>[\w_-]+)/delete$', views.page_delete_cell,
+        url(r'^pages/(?P<page_pk>\d+)/cell/(?P<cell_reference>[\w_-]+)/delete$', views.page_delete_cell,
             name='combo-manager-page-delete-cell'),
-        url(r'^pages/(?P<page_pk>\w+)/cell/(?P<cell_reference>[\w_-]+)/options$',
+        url(r'^pages/(?P<page_pk>\d+)/cell/(?P<cell_reference>[\w_-]+)/options$',
             views.page_cell_options,
             name='combo-manager-page-options-cell'),
-        url(r'^pages/(?P<page_pk>\w+)/cell/(?P<cell_reference>[\w_-]+)/visibility$',
+        url(r'^pages/(?P<page_pk>\d+)/cell/(?P<cell_reference>[\w_-]+)/visibility$',
             views.page_cell_visibility,
             name='combo-manager-page-visibility-cell'),
-        url(r'^pages/(?P<page_pk>\w+)/cell/(?P<cell_reference>[\w_-]+)/label$',
+        url(r'^pages/(?P<page_pk>\d+)/cell/(?P<cell_reference>[\w_-]+)/label$',
             views.page_get_additional_label, name='combo-manager-page-get-additional-label'),
-        url(r'^pages/(?P<page_pk>\w+)/order$', views.cell_order,
+        url(r'^pages/(?P<page_pk>\d+)/order$', views.cell_order,
             name='combo-manager-cell-order'),
         url(r'^pages/order$', views.page_order,
             name='combo-manager-page-order'),