diff --git a/manifest.json b/manifest.json
index 0342ed1..00bd31f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -32,12 +32,12 @@
             },
             {
                 "name": "is_public",
+                "type": "boolean",
                 "ask": {
                     "en": "Is it a public application?",
                     "fr": "Est-ce une application publique ?"
                 },
-                "choices": ["Yes", "No"],
-                "default": "Yes"
+                "default": true
             }
 
         ]
diff --git a/scripts/install b/scripts/install
index 1462301..3b27ed6 100755
--- a/scripts/install
+++ b/scripts/install
@@ -12,6 +12,12 @@ is_public=$3
 path="/SOGo"
 codename=$(lsb_release -c -s)
 
+if [[ $is_public == 0 ]]
+then
+    is_public="No"
+else
+    is_public="Yes"
+fi
 
 # Save app settings
 sudo yunohost app setting $app admin -v "$admin"