diff --git a/postgresql/defaults/main.yml b/postgresql/defaults/main.yml
index 6ee57747..81a255ac 100644
--- a/postgresql/defaults/main.yml
+++ b/postgresql/defaults/main.yml
@@ -10,3 +10,6 @@ postgresql_effective_cache_size: "{{ (ansible_memtotal_mb * 0.5) | int }}MB"
 
 # PostgreSQL version
 postgresql_version: '9.6'
+
+#Set locales
+locales_default: fr_FR.UTF-8
diff --git a/postgresql/handlers/main.yml b/postgresql/handlers/main.yml
index fab0c614..de4077e7 100644
--- a/postgresql/handlers/main.yml
+++ b/postgresql/handlers/main.yml
@@ -16,3 +16,6 @@
 
 - name: Restart minifirewall
   command: /etc/init.d/minifirewall restart
+
+- name: reconfigure locales
+  command: dpkg-reconfigure -f noninteractive locales
diff --git a/postgresql/tasks/locales.yml b/postgresql/tasks/locales.yml
new file mode 100644
index 00000000..a0e6e434
--- /dev/null
+++ b/postgresql/tasks/locales.yml
@@ -0,0 +1,19 @@
+---
+- include_role:
+    name: remount-usr
+
+- name: select locales to be generated
+  locale_gen:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - "fr_FR.UTF-8"
+  become: yes
+  notify: reconfigure locales
+
+- name: set default locale
+  lineinfile:
+    dest: "/etc/default/locale"
+    regexp: "^LANG="
+    line: "LANG={{ locales_default }}"
+  notify: reconfigure locales
diff --git a/postgresql/tasks/main.yml b/postgresql/tasks/main.yml
index bf2576f9..f80ddca6 100644
--- a/postgresql/tasks/main.yml
+++ b/postgresql/tasks/main.yml
@@ -1,4 +1,5 @@
 ---
+- include: locales.yml
 
 - include: packages_jessie.yml
   when: ansible_distribution_release == "jessie"