diff --git a/lib/databases/postgresql b/lib/databases/postgresql
index 10ab721..d9c2f00 100644
--- a/lib/databases/postgresql
+++ b/lib/databases/postgresql
@@ -23,6 +23,7 @@
     if [[ "$os_PACKAGE" = "rpm" ]]; then
         PG_HBA=/var/lib/pgsql/data/pg_hba.conf
         PG_CONF=/var/lib/pgsql/data/postgresql.conf
+        sudo [ -e $PG_HBA ] || sudo postgresql-setup initdb
     else
         PG_DIR=`find /etc/postgresql -name pg_hba.conf|xargs dirname`
         PG_HBA=$PG_DIR/pg_hba.conf