diff --git a/defaults/main.yml b/defaults/main.yml
index aad97d2..97a38bb 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -8,7 +8,7 @@ postgres_group: postgres
 # available postgresql.conf options
 postgres_log_destination:
   - stderr
-postgres_log_dirname: log
+postgres_log_directory: log
 postgres_log_filename: postgresql.log
 postgres_log_rotation_age: 1d
 postgres_log_rotation_size: 0