diff --git a/tasks/configure.yml b/tasks/configure.yml
index be61d3e..87d30f9 100644
--- a/tasks/configure.yml
+++ b/tasks/configure.yml
@@ -36,8 +36,8 @@
 - name: Create PostgreSQL data directory
   ansible.builtin.file:
     path: "{{ _postgresql_datadir }}"
-    owner: "{{ postgresql_user }}"
-    group: "{{ postgresql_group }}"
+    owner: "{{ _postgresql_user }}"
+    group: "{{ _postgresql_group }}"
     state: directory
     mode: 0700
 
@@ -46,7 +46,7 @@
     cmd: "{{ _postgresql_bindir }}/initdb -D {{ _postgresql_datadir }}"
     creates: "{{ _postgresql_datadir }}/PG_VERSION"
   become: true
-  become_user: "{{ postgresql_user }}"
+  become_user: "{{ _postgresql_user }}"
   when: _postgresql_initdb | bool
 
 - name: Enable PostgreSQL checksums
@@ -59,16 +59,16 @@
   ansible.builtin.file:
     path: "{{ _postgresql_conf_include }}"
     state: directory
-    owner: "{{ postgresql_user }}"
-    group: "{{ postgresql_group }}"
+    owner: "{{ _postgresql_user }}"
+    group: "{{ _postgresql_group }}"
     mode: 0755
 
 - name: Manage PostgreSQL ansible include config
   ansible.builtin.copy:
     dest: "{{ _postgresql_conf_ansible }}"
     content: "{{ postgresql_conf_ansible }}"
-    owner: "{{ postgresql_user }}"
-    group: "{{ postgresql_group }}"
+    owner: "{{ _postgresql_user }}"
+    group: "{{ _postgresql_group }}"
     mode: 0644
   when: postgresql_conf_ansible is defined
   notify: postgresql_reload
@@ -85,8 +85,8 @@
     path: "{{ _postgresql_conf_local }}"
     state: touch
     modification_time: preserve
-    owner: "{{ postgresql_user }}"
-    group: "{{ postgresql_group }}"
+    owner: "{{ _postgresql_user }}"
+    group: "{{ _postgresql_group }}"
     mode: 0644
   changed_when: false
 
@@ -106,8 +106,8 @@
   ansible.builtin.template:
     src: postgresql.conf.j2
     dest: "{{ _postgresql_conf_main }}"
-    owner: "{{ postgresql_user }}"
-    group: "{{ postgresql_group }}"
+    owner: "{{ _postgresql_user }}"
+    group: "{{ _postgresql_group }}"
     backup: true
     mode: 0644
   notify: postgresql_restart
@@ -116,8 +116,8 @@
   ansible.builtin.template:
     src: pg_hba.conf.j2
     dest: "{{ _postgresql_conf_hba }}"
-    owner: "{{ postgresql_user }}"
-    group: "{{ postgresql_group }}"
+    owner: "{{ _postgresql_user }}"
+    group: "{{ _postgresql_group }}"
     backup: true
     mode: 0644
   vars:
diff --git a/tasks/databases.yml b/tasks/databases.yml
index 96e0e29..f478b86 100644
--- a/tasks/databases.yml
+++ b/tasks/databases.yml
@@ -10,13 +10,13 @@
     encoding: "{{ item.encoding | default('UTF-8') }}"
     template: "{{ item.template | default('template0') }}"
     port: "{{ item.port | default(omit) }}"
-    owner: "{{ item.owner | default(postgresql_user) }}"
+    owner: "{{ item.owner | default(_postgresql_user) }}"
     state: "{{ item.state | default('present') }}"
   loop_control:
     label: "{{ item.name }}"
   loop: "{{ postgresql_databases }}"
   become: true
-  become_user: "{{ postgresql_user }}"
+  become_user: "{{ _postgresql_user }}"
 
 - name: Manage PostgreSQL database privileges
   community.postgresql.postgresql_privs:
@@ -38,6 +38,6 @@
     label: "{{ _database.name }}"
   loop: "{{ postgresql_databases | subelements('roles', skip_missing='yes') }}"
   become: true
-  become_user: "{{ postgresql_user }}"
+  become_user: "{{ _postgresql_user }}"
   environment:
     PGOPTIONS: "{{ _postgresql_pgoptions }}"
diff --git a/tasks/roles.yml b/tasks/roles.yml
index 840a5c5..15c8aa7 100644
--- a/tasks/roles.yml
+++ b/tasks/roles.yml
@@ -10,7 +10,7 @@
     label: "{{ item.name }}"
   loop: "{{ postgresql_roles }}"
   become: true
-  become_user: "{{ postgresql_user }}"
+  become_user: "{{ _postgresql_user }}"
   environment:
     PGOPTIONS: "{{ _postgresql_pgoptions }}"
   no_log: "{{ postgresql_nolog }}"
@@ -29,7 +29,7 @@
     label: "{{ _role.name }} - {{ _group_name }} - {{ _group_state }}"
   loop: "{{ postgresql_roles | subelements('groups', skip_missing='yes') }}"
   become: true
-  become_user: "{{ postgresql_user }}"
+  become_user: "{{ _postgresql_user }}"
   environment:
     PGOPTIONS: "{{ _postgresql_pgoptions }}"
   no_log: "{{ postgresql_nolog }}"
diff --git a/tasks/vars.yml b/tasks/vars.yml
index 2f6de60..68d3e86 100644
--- a/tasks/vars.yml
+++ b/tasks/vars.yml
@@ -6,6 +6,8 @@
   ansible.builtin.set_fact:
     _postgresql_package_name: "{{ postgresql_package_name | default(_default_package_name) }}"
     _postgresql_service_name: "{{ postgresql_service_name | default(_default_service) }}"
+    _postgresql_user: "{{ postgresql_user }}"
+    _postgresql_group: "{{ postgresql_group }}"
     _postgresql_bindir: "{{ __postgresql_bindir | nephelaiio.plugins.sorted_get(_conf_search) }}"
     _postgresql_confdir: "{{ _conf_confdir }}"
     _postgresql_datadir: "{{ _conf_datadir }}"