diff --git a/scripts/config b/scripts/config
index 02edf91..3c256e6 100644
--- a/scripts/config
+++ b/scripts/config
@@ -9,6 +9,20 @@
 source ./_common.sh
 source /usr/share/yunohost/helpers
 
+ynh_app_config_validate() {
+    # Depending of the status of the $enable_regirtration we should default value of the hidden fields
+    if $enable_registration; then
+        # Must enable password authentication when free registration is enabled as any user must be able to authenticate
+        password_enabled=true
+    else
+        registrations_require_3pid=email
+        allowed_local_3pids_email=''
+        allowed_local_3pids_msisdn=''
+        disable_msisdn_registration=true
+    fi
+    _ynh_app_config_validate
+}
+
 ynh_app_config_apply() {
     _ynh_app_config_apply
     configure_nginx