diff --git a/djangoproject/settings/dev.py b/djangoproject/settings/dev.py
index 46907804c..545a1a3c6 100644
--- a/djangoproject/settings/dev.py
+++ b/djangoproject/settings/dev.py
@@ -63,4 +63,6 @@
             "djangoproject.middleware.CORSMiddleware",
         )
 
-SILENCED_SYSTEM_CHECKS = ["django_recaptcha.recaptcha_test_key_error"]
+SILENCED_SYSTEM_CHECKS = SILENCED_SYSTEM_CHECKS + [
+    "django_recaptcha.recaptcha_test_key_error"
+]