diff --git a/podman-framadate/docker-compose.yml b/podman-framadate/docker-compose.yml
index e7f16da..ff416e5 100644
--- a/podman-framadate/docker-compose.yml
+++ b/podman-framadate/docker-compose.yml
@@ -26,6 +26,7 @@ services:
             - ADMIN_USER=admin
             - APACHE_RUN_USER=www-data
             - FRAMADATE_DEVMODE=1
+            - LOCALE=fr_FR.UTF-8
         restart: always
 
 volumes:
diff --git a/podman-framadate/docker/Dockerfile b/podman-framadate/docker/Dockerfile
index 5e13a50..d05b86f 100644
--- a/podman-framadate/docker/Dockerfile
+++ b/podman-framadate/docker/Dockerfile
@@ -2,7 +2,8 @@ FROM docker.io/library/php:7-apache
 
 ARG version
 
-RUN apt-get -y update && DEBIAN_FRONTEND=noninteractive apt-get install -y -qq zip unzip git zlib1g-dev libicu-dev g++ default-mysql-client git
+RUN apt-get -y update && DEBIAN_FRONTEND=noninteractive apt-get install -y -qq zip unzip git zlib1g-dev libicu-dev g++ default-mysql-client git locales
+RUN sed -i '/fr_FR.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
 RUN docker-php-ext-install intl && docker-php-ext-install pdo_mysql
 
 RUN a2enmod rewrite
diff --git a/podman-framadate/docker/entrypoint.sh b/podman-framadate/docker/entrypoint.sh
index 27e0c67..ff291a8 100755
--- a/podman-framadate/docker/entrypoint.sh
+++ b/podman-framadate/docker/entrypoint.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 # Read environment variables or set default values
+LANG=${LOCALE:-C.UTF-8}
 FRAMADATE_CONFIG=${FRAMADATE_CONFIG:-/var/www/framadate/app/inc/config.php}
 DOMAIN=${DOMAIN-localhost}
 FORCE_HTTPS=${FORCE_HTTPS-false}