diff --git a/combo/apps/dashboard/templates/combo/dashboardcell.html b/combo/apps/dashboard/templates/combo/dashboardcell.html
index 358ffa38..991181c4 100644
--- a/combo/apps/dashboard/templates/combo/dashboardcell.html
+++ b/combo/apps/dashboard/templates/combo/dashboardcell.html
@@ -3,7 +3,7 @@
 {% for tile in tiles %}
 {% with cell=tile.cell %}
 <div class="cell {{ cell.css_class_names }} {% if cell.slug %}{{cell.slug}}{% endif %}"
-     data-ajax-cell-url="{{ site_base }}{% url 'combo-public-ajax-page-cell' page_pk=cell.page.id cell_reference=cell.get_reference %}"
+     data-ajax-cell-url="{{ site_base }}{{ cell.get_ajax_url }}"
      data-ajax-cell-loading-message="{{ cell.loading_message }}"
      data-ajax-cell-error-message="{% trans "Loading error" %}"
      {% if cell.ajax_refresh %}
diff --git a/combo/data/models.py b/combo/data/models.py
index 1dc852e9..92648b9e 100644
--- a/combo/data/models.py
+++ b/combo/data/models.py
@@ -54,6 +54,7 @@ from django.template import (
     engines,
 )
 from django.test.client import RequestFactory
+from django.urls import reverse
 from django.utils import timezone
 from django.utils.encoding import force_text, smart_bytes
 from django.utils.html import strip_tags
@@ -862,6 +863,12 @@ class CellBase(models.Model, metaclass=CellMeta):
     def get_additional_label(self):
         return ''
 
+    def get_ajax_url(self):
+        return reverse(
+            'combo-public-ajax-page-cell',
+            kwargs={'page_pk': self.page_id, 'cell_reference': self.get_reference()},
+        )
+
     def get_manager_visibility_css_class(self):
         if self.public:
             return 'visibility-all' if not self.restricted_to_unlogged else ''
diff --git a/combo/public/templates/combo/placeholder.html b/combo/public/templates/combo/placeholder.html
index caa1cbc5..67e59f1f 100644
--- a/combo/public/templates/combo/placeholder.html
+++ b/combo/public/templates/combo/placeholder.html
@@ -8,7 +8,7 @@
 {% for cell in cells %}
 <div class="cell {{ cell.css_class_names }} {{ cell.asset_css_classes }}{% if cell.slug %} {{cell.slug}}{% endif %}{% if cell|shown_because_admin:request %} shown-because-admin{% endif %}"
      {% if cell.slug and cell.use_slug_as_id %}id="{{ cell.slug }}"{% endif %}
-     data-ajax-cell-url="{{ site_base }}{% url 'combo-public-ajax-page-cell' page_pk=cell.page_id cell_reference=cell.get_reference %}"
+     data-ajax-cell-url="{{ site_base }}{{ cell.get_ajax_url }}"
      data-ajax-cell-loading-message="{{ cell.loading_message }}"
      data-ajax-cell-error-message="{% trans "Loading error" %}"
      {% if cell.ajax_refresh %}data-ajax-cell-refresh="{{ cell.ajax_refresh }}"{% endif %}