diff --git a/pyproject.toml b/pyproject.toml
index e8a14aee0..b827ddf8d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,6 +53,7 @@ dependencies = [
   "django-oauth-toolkit==2.3.*",
   "django-otp==1.7.*",
   "django-phonenumber-field==8.4.*",
+  "django-querytagger==0.0.2",
   "django-redis==6.0.*",
   "django-scopes==2.0.*",
   "django-statici18n==2.7.*",
diff --git a/src/pretix/settings.py b/src/pretix/settings.py
index 1a644027a..3cbdf4ff1 100644
--- a/src/pretix/settings.py
+++ b/src/pretix/settings.py
@@ -440,6 +440,7 @@ CSRF_COOKIE_NAME = 'pretix_csrftoken'
 SESSION_COOKIE_HTTPONLY = True
 
 INSTALLED_APPS += [ # noqa
+    'django_querytagger',
     'django_filters',
     'django_markup',
     'django_otp',
@@ -505,6 +506,7 @@ MIDDLEWARE = [
     'pretix.helpers.logs.RequestIdMiddleware',
     'pretix.api.middleware.IdempotencyMiddleware',
     'pretix.multidomain.middlewares.MultiDomainMiddleware',
+    'django_querytagger.middleware.SetTagMiddleware',  # after MultiDomainMiddleware for correct url resolving
     'pretix.base.middleware.CustomCommonMiddleware',
     'pretix.multidomain.middlewares.SessionMiddleware',
     'pretix.multidomain.middlewares.CsrfViewMiddleware',