diff --git a/tasks/initialize.yml b/tasks/initialize.yml
index 0183121..0b3036c 100644
--- a/tasks/initialize.yml
+++ b/tasks/initialize.yml
@@ -20,7 +20,7 @@
   register: pgdata_dir_version
 
 - name: Ensure PostgreSQL database is initialized.
-  command: "{{ postgresql_bin_path }}/initdb -D {{ postgresql_data_dir }}"
+  command: "{{ postgresql_bin_path }}/initdb -D {{ postgresql_data_dir }} -E UTF8 --locale=fr_FR.UTF-8" 
   when: not pgdata_dir_version.stat.exists
   become: true
   become_user: "{{ postgresql_user }}"