diff --git a/tests/test_environment.py b/tests/test_environment.py
index dae490f..8411d15 100644
--- a/tests/test_environment.py
+++ b/tests/test_environment.py
@@ -76,7 +76,7 @@ def invalid_template(request):
         'templates/invalid_template_base.html'
     )
     django_testdir.create_app_file(
-        "{% extends 'invalid_template_base.html' %}",
+        "{% include 'invalid_template_base.html' %}",
         'templates/invalid_template.html'
     )
     django_testdir.create_test_module('''