diff --git a/config_panel.toml b/config_panel.toml
index 361d91f..38986bf 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -5,7 +5,7 @@ name = "Armadietto configuration"
 
     [main.global_config]
     name = "Access options"
-    services = ["nginx", "__APP__"]
+    services = ["__APP__"]
 
         [main.global_config.is_signup]
         ask = "Allow signups?"
diff --git a/scripts/upgrade b/scripts/upgrade
index 1cc662f..182887f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -57,6 +57,12 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 
+# If is_signup doesn't exist, create it
+if [ -z "$is_signup" ]; then
+	is_signup="true"
+	ynh_app_setting_set --app=$app --key=is_signup --value=$is_signup
+fi
+
 # Cleaning legacy permissions
 if ynh_legacy_permissions_exists; then
 	ynh_legacy_permissions_delete_all