diff --git a/manifest.toml b/manifest.toml
index c0ac553..1ea9eb4 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -7,7 +7,7 @@ description.gl = "Rexistra as túas actividades ao aire libre 🚴"
 description.ca = "Seguiment d'activitats a l'aire lliure autoallotjat 🚴"
 description.fr = "Traqueur d’activités extérieures auto-hébergé 🚴"
 
-version = "0.8.3~ynh1"
+version = "0.8.4~ynh1"
 
 maintainers = ["Thovi98"]
 
@@ -51,6 +51,13 @@ ram.runtime = "50M"
     help.fr = "Choisissez un mot de passe pour l’utilisateur admin ici."
     type = "password"
 
+    [install.language]
+    ask.en = "Choose the application language"
+    ask.fr = "Choisissez la langue de l'application"
+    type = "select"
+    choices = ["cs", "de", "en", "es", "eu", "fr", "gl", "it", "nb", "nl", "pl", "pt"]
+    default = "en"
+
     [install.weather_api_provider]
     ask.en = "(Optional) Choose your weather provider between Darksky and Visual Crossing"
     ask.gl = "(Optativo) Elixe o provedor de meteoroloxía, entre Darksky e Visual Crossing"
diff --git a/scripts/install b/scripts/install
index 97bdcc9..4305637 100755
--- a/scripts/install
+++ b/scripts/install
@@ -80,7 +80,7 @@ source $install_dir/.env
 
 ynh_exec_warn_less $install_dir/venv/bin/ftcli db upgrade
 
-ynh_exec_warn_less $install_dir/venv/bin/ftcli users create $admin --email $admin_mail --password $password
+ynh_exec_warn_less $install_dir/venv/bin/ftcli users create $admin --email $admin_mail --password $password --lang $language
 
 ynh_exec_warn_less $install_dir/venv/bin/ftcli users update $admin --set-admin true
 
diff --git a/tests.toml b/tests.toml
index 9b350f6..873d412 100644
--- a/tests.toml
+++ b/tests.toml
@@ -18,4 +18,5 @@ test_format = 1.0
     test_upgrade_from.499f21b.name = "0.7.32"
     test_upgrade_from.5b6ccd1.name = "0.8.0"
     test_upgrade_from.6c23ccf.name = "0.8.1"
+    test_upgrade_from.2c6b69d.name = "0.8.3"