diff --git a/conf/application.ini b/conf/application.ini
index 41a9ddf..cc32c25 100644
--- a/conf/application.ini
+++ b/conf/application.ini
@@ -18,10 +18,10 @@ allow_themes = On
 allow_user_background = Off
 
 ; Language used by default
-language = "en"
+language = "__LANGUAGE__"
 
 ; Admin Panel interface language
-language_admin = "en"
+language_admin = "__LANGUAGE__"
 
 ; Allow language selection on settings screen
 allow_languages_on_settings = On
diff --git a/manifest.toml b/manifest.toml
index b44d10e..bf75121 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -38,6 +38,13 @@ ram.runtime = "50M"
     type = "group"
     default = "visitors"
 
+    [install.language]
+    ask.en = "Choose the application language"
+    ask.fr = "Choisissez la langue de l'application"
+    type = "select"
+    choices = ["fr", "en"]
+    default = "fr"
+    
 [resources]
 
     [resources.sources]