diff --git a/djangocms_redirect/admin.py b/djangocms_redirect/admin.py
index da7028e..2781b38 100644
--- a/djangocms_redirect/admin.py
+++ b/djangocms_redirect/admin.py
@@ -3,6 +3,7 @@
 from django.forms import ModelForm
 from django.utils.translation import get_language
 
+from .compat import CMS_LT_4
 from .models import Redirect
 from .utils import normalize_url
 
@@ -14,7 +15,13 @@ class Meta:
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        widget = PageSmartLinkWidget(ajax_view="admin:cms_page_get_published_pagelist")
+
+        pagelist_endpoint = "admin:cms_page_get_published_pagelist"
+        # django-cms 4+ support
+        if not CMS_LT_4:
+            pagelist_endpoint = "admin:cms_page_get_list"
+
+        widget = PageSmartLinkWidget(ajax_view=pagelist_endpoint)
         widget.language = get_language()
         self.fields["old_path"].widget = widget
         self.fields["new_path"].widget = widget
diff --git a/djangocms_redirect/compat.py b/djangocms_redirect/compat.py
new file mode 100644
index 0000000..f68db32
--- /dev/null
+++ b/djangocms_redirect/compat.py
@@ -0,0 +1,7 @@
+from distutils.version import LooseVersion
+
+import cms
+
+CMS_VERSION = cms.__version__
+
+CMS_LT_4 = LooseVersion(CMS_VERSION) < LooseVersion("4.0")
diff --git a/tests/tests_admin.py b/tests/tests_admin.py
index a65f11a..611e848 100644
--- a/tests/tests_admin.py
+++ b/tests/tests_admin.py
@@ -1,8 +1,11 @@
+from unittest import skipIf
+
 from cms.forms.widgets import PageSmartLinkWidget
 from django.contrib import admin
 from django.urls import reverse
 from django.utils.translation import activate
 
+from djangocms_redirect.compat import CMS_LT_4
 from djangocms_redirect.models import Redirect
 
 from . import BaseRedirectTest
@@ -11,6 +14,7 @@
 
 
 class AdminPageTest(BaseRedirectTest):
+    @skipIf(not CMS_LT_4, "Test relevant only for CMS<4.0")
     def test_get_form_widgets(self):
         """
         Admin form has proper widgets.
@@ -26,3 +30,20 @@ def test_get_form_widgets(self):
         self.assertEqual(form.fields["old_path"].widget.ajax_url, reverse("admin:cms_page_get_published_pagelist"))
         self.assertEqual(form.fields["new_path"].widget.ajax_url, reverse("admin:cms_page_get_published_pagelist"))
         activate("en")
+
+    @skipIf(CMS_LT_4, "Test relevant only for CMS>=4.0")
+    def test_get_form_widgets_djangocms_4_plus(self):
+        """
+        Admin form has proper widgets.
+        """
+        activate("it")
+        request = self.request("/", lang="it", user=self.user)
+        form_class = redirect_admin.get_form(request)
+        form = form_class()
+        self.assertTrue(form.fields["old_path"].widget, PageSmartLinkWidget)
+        self.assertTrue(form.fields["new_path"].widget, PageSmartLinkWidget)
+        self.assertEqual(form.fields["old_path"].widget.language, "it")
+        self.assertEqual(form.fields["new_path"].widget.language, "it")
+        self.assertEqual(form.fields["old_path"].widget.ajax_url, reverse("admin:cms_page_get_list"))
+        self.assertEqual(form.fields["new_path"].widget.ajax_url, reverse("admin:cms_page_get_list"))
+        activate("en")