diff --git a/cms/conftest.py b/cms/conftest.py
index 80d971070a..0fb285f8bd 100644
--- a/cms/conftest.py
+++ b/cms/conftest.py
@@ -50,7 +50,7 @@ def no_webpack_loader(monkeypatch):
     """
     monkeypatch.setattr(
         "webpack_loader.templatetags.webpack_loader.render_bundle",
-        lambda entry, extension=None, config='DEFAULT', attrs='': ''
+        lambda context, entry, extension=None, config='DEFAULT', attrs='': ''
     )
     monkeypatch.setattr(
         "webpack_loader.utils.get_as_tags",
diff --git a/conftest.py b/conftest.py
index 2ed8f64360..066af9c8e3 100644
--- a/conftest.py
+++ b/conftest.py
@@ -21,7 +21,7 @@ TestCase.maxDiff = None
 def no_webpack_loader(monkeypatch):  # lint-amnesty, pylint: disable=missing-function-docstring
     monkeypatch.setattr(
         "webpack_loader.templatetags.webpack_loader.render_bundle",
-        lambda entry, extension=None, config='DEFAULT', attrs='': ''
+        lambda context, entry, extension=None, config='DEFAULT', attrs='': ''
     )
     monkeypatch.setattr(
         "webpack_loader.utils.get_as_tags",