diff --git a/tests/settings_postgres.py b/tests/settings_postgres.py
index d1b647c..388b84a 100644
--- a/tests/settings_postgres.py
+++ b/tests/settings_postgres.py
@@ -5,7 +5,7 @@
 
 print("DATABASES (before)", DATABASES)
 # this is the default database URL for the docker-compose setup
-DEFAULT_DATABASE_URL = "postgres://postgres:postgres@postgres:5432/django_anonymiser"
+DEFAULT_DATABASE_URL = "postgres://postgres:postgres@localhost:5432/django_anonymiser"
 DATABASE_URL = getenv("DATABASE_URL", DEFAULT_DATABASE_URL)
 print("DATABASE_URL", DATABASE_URL)