diff --git a/src/pretix/presale/views/event.py b/src/pretix/presale/views/event.py
index 06f9e613b8..ac6b9055de 100644
--- a/src/pretix/presale/views/event.py
+++ b/src/pretix/presale/views/event.py
@@ -500,21 +500,23 @@ class EventIndex(EventViewMixin, EventListMixin, CartMixin, TemplateView):
 
         self.subevent = None
         utm_params = {k: v for k, v in request.GET.items() if k.startswith("utm_")}
+        pass_through_url_params = utm_params | \
+            {k: v for k, v in request.GET.items() if k in ("locale", "consent")} | \
+            ({"widget_data": request.GET.get('widget_data')} if len(self.request.GET.get('widget_data', '{}')) > 3 else {})
+
         if request.GET.get('src', '') == 'widget' and 'take_cart_id' in request.GET:
             # User has clicked "Open in a new tab" link in widget
             get_or_create_cart_id(request)
             return redirect_to_url(eventreverse(request.event, 'presale:event.index', kwargs=kwargs) + '?' + urlencode(utm_params))
         elif request.GET.get('iframe', '') == '1' and (
-                'take_cart_id' in request.GET or len(self.request.GET.get('widget_data', '{}')) > 3
+                'take_cart_id' in request.GET or len(self.request.GET.get('widget_data', '{}')) > 3 or 'consent' in request.GET
         ):
             # Widget just opened, and a cart already exists or we have been passed widget_data.
             # Let's do a stupid redirect to check if cookies are disabled.
             return redirect_to_url(eventreverse(request.event, 'presale:event.index', kwargs=kwargs) + '?' + urlencode({
                 'require_cookie': 'true',
                 'cart_id': get_or_create_cart_id(request),
-                **({"widget_data": request.GET.get('widget_data')} if len(self.request.GET.get('widget_data', '{}')) > 3 else {}),
-                **({"locale": request.GET.get('locale')} if request.GET.get('locale') else {}),
-                **utm_params,
+                **pass_through_url_params,
             }))
         elif 'require_cookie' in request.GET and settings.SESSION_COOKIE_NAME not in request.COOKIES and \
                 '__Host-' + settings.SESSION_COOKIE_NAME not in self.request.COOKIES:
@@ -527,10 +529,8 @@ class EventIndex(EventViewMixin, EventListMixin, CartMixin, TemplateView):
                     }
                 ) + "?" + urlencode({
                     "src": "widget",
-                    **({"locale": request.GET.get('locale')} if request.GET.get('locale') else {}),
                     **({"take_cart_id": request.GET.get('cart_id')} if request.GET.get('cart_id') else {}),
-                    **({"widget_data": request.GET.get('widget_data')} if len(self.request.GET.get('widget_data', '{}')) > 3 else {}),
-                    **utm_params,
+                    **pass_through_url_params,
                 })
             })
             r._csp_ignore = True