diff --git a/conf/pg_backup.conf b/conf/pg_backup.conf
index 64a9044..2f9dd66 100644
--- a/conf/pg_backup.conf
+++ b/conf/pg_backup.conf
@@ -7,7 +7,7 @@
 BACKUP_USER=postgres
 
 # Optional hostname to adhere to pg_hba policies.  Will default to "localhost" if none specified.
-HOSTNAME=
+HOSTNAME=/var/run/postgresql
 
 # Optional username to connect to database as.  Will default to "postgres" if none specified.
 USERNAME=