diff --git a/office-alexander-logistics-app/src/main/webapp/js/imixs-office.workitem.custom.js b/office-alexander-logistics-app/src/main/webapp/js/imixs-office.workitem.custom.js
index ba5eb52..8e8e7e2 100644
--- a/office-alexander-logistics-app/src/main/webapp/js/imixs-office.workitem.custom.js
+++ b/office-alexander-logistics-app/src/main/webapp/js/imixs-office.workitem.custom.js
@@ -29,8 +29,7 @@ function initFaelligkeit(ajax_event) {
 		var basisYear = parts[2];
 		var basisDate = new Date(basisYear, basisMonth, basisDay);
 		var newDate = new Date(basisYear, basisMonth, basisDay);
-		let tageVerschiebung = 10;
-		newDate.setDate(newDate.getDate() + tageVerschiebung);
+		newDate.setDate(newDate.getDate() + (Number(days)));
 
 		var day = '' + newDate.getDate();
 		if (day.length == 1) {