diff --git a/vars/pkgs/postgresql_server.yml b/vars/pkgs/postgresql_server.yml
index c508808..644c5fa 100644
--- a/vars/pkgs/postgresql_server.yml
+++ b/vars/pkgs/postgresql_server.yml
@@ -1,6 +1,9 @@
 # vim: set filetype=yaml.ansible :
 ---
 postgresql_server:
+  method:
+    default: sys
+    RedHat: sys
   version: 16
   pkgs:
     RedHat: