diff --git a/defaults/main.yml b/defaults/main.yml
index 0321ac3..3feed17 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -62,7 +62,6 @@ disable_letsencrypt: "false"
 nginx_catch_all: "false"
 redis_host: 127.0.0.1
 redis_port: 6379
-db_host: 127.0.0.1 # /var/run/postgresql
 self_signed_cert_location: /etc/ssl/certs
 self_signed_key_location: /etc/ssl/private
 mastodon_composer_folder: /opt/mastodon
@@ -82,7 +81,7 @@ s3_alias_host: ''
 
 
 ubuntu_codename: "{{ ansible_distribution_release }}"
-mastodon_db_login_unix_socket: 127.0.0.1 # "/var/run/postgresql"
+mastodon_db_login_unix_socket: postgresql # "/var/run/postgresql"
 
 packages:
   - package: "autoconf"