diff --git a/ansible1/roles/postgresql/tasks/main.yml b/ansible1/roles/postgresql/tasks/main.yml
index d8dbee157..ab04fbebb 100644
--- a/ansible1/roles/postgresql/tasks/main.yml
+++ b/ansible1/roles/postgresql/tasks/main.yml
@@ -61,9 +61,11 @@
 
 - name: Configure PostgreSQL. Set hosts in pg_hba.conf
   template:
-    src: pg_hba.conf.j2
+    src: "pg_hba.conf.j2"
     dest: "/etc/postgresql/{{ postgres_version }}/main/pg_hba.conf"
-    backup: yes
+    owner: "{{ postgres_user }}"
+    group: "{{ postgres_group }}"
+    mode: 0600
   notify: restart postgresql
   become: yes
 
diff --git a/ansible1/roles/postgresql/vars/main.yml b/ansible1/roles/postgresql/vars/main.yml
index f907305e8..0ab5991d8 100644
--- a/ansible1/roles/postgresql/vars/main.yml
+++ b/ansible1/roles/postgresql/vars/main.yml
@@ -1,5 +1,6 @@
 ---
 postgres_user: "postgres"
+postgres_group: postgres
 postgres_db_development_name: "zero_waste_development"
 postgres_db_test_name: "zero_waste_test"
 postgres_version: 12