diff --git a/api/js/egw_action/egw_action.d.ts b/api/js/egw_action/egw_action.d.ts
index b531984cc1..1d1a25ec11 100644
--- a/api/js/egw_action/egw_action.d.ts
+++ b/api/js/egw_action/egw_action.d.ts
@@ -145,7 +145,7 @@ declare class egwAction {
         previous: string;
         close: string;
     };
-    updateActions(_actions: any, _app: string): void;
+    updateActions(_actions: any, _app?: string): void;
     not_disableClass(_action: any, _senders: any, _target: any): boolean;
     enableClass(_action: any, _senders: any, _target: any): boolean;
     enableId(_action: any, _senders: any, _target: any): any;
diff --git a/api/js/jsapi/egw_global.d.ts b/api/js/jsapi/egw_global.d.ts
index 5b3eb8a2c8..cb820878f2 100644
--- a/api/js/jsapi/egw_global.d.ts
+++ b/api/js/jsapi/egw_global.d.ts
@@ -461,7 +461,7 @@ declare interface IegwGlobal
 	 * @param {string} key
 	 * @param {string | array} value
 	 */
-	setSessionItem(application : string, key : string, value : string[]) : void;
+	setSessionItem(application : string, key : string, value : string[] | string) : void;
 	/**
 	 * Remove a value from session storage
 	 * @param {string} application