diff --git a/group_vars/postgresql.yml b/group_vars/postgresql.yml
index 601ec19..da6e2fa 100644
--- a/group_vars/postgresql.yml
+++ b/group_vars/postgresql.yml
@@ -49,3 +49,4 @@ wal_g_pg_config:
   WALG_S3_PREFIX: s3://pgbackup/pyrocufflink/main/15
   AWS_S3_FORCE_PATH_STYLE: true
   AWS_ENDPOINT: https://burp.pyrocufflink.blue:9000
+  PGHOST: /run/postgresql