diff --git a/manifest.toml b/manifest.toml
index 35f8c25..710d669 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -38,7 +38,7 @@ ram.runtime = "50M"
     [install.language]
     ask.en = "Choose the application language"
     ask.fr = "Choisissez la langue de l'application"
-    type = "string"
+    type = "select"
     choices = ["de-DE", "it-IT", "fr-FR", "en-US"]
     default = "fr-FR"