diff --git a/manifest.toml b/manifest.toml
index e2ae28f..39318e4 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -46,7 +46,7 @@ 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", "en_US", "es_ES", "fr_FR", "it_IT", "nl_NL", "pt_PT"]
     default = "fr_FR"