diff --git a/manifest.toml b/manifest.toml
index 6c660c1..3935ebc 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -53,14 +53,14 @@ ram.runtime = "50M"
     help.fr = "Comme Darksky déprécie son API, il est suggéré d'opter pour Visual Crossing"
     type = "select"
     choices = ["", "darksky", "visualcrossing"]
-    default = ""
+    default = false
     optional = true
 
     [install.weather_key]
     ask.en = "(Optional) Insert here the api key from the chosen weather provider"
     ask.fr = "(Optionnel) Insérez ici la clé API du fournisseur de météo choisi"
     type = "string"
-    default = ""
+    default = false
     optional = true
 
   [resources]