diff --git a/src/command/club/member/membershipCommandHandler.ts b/src/command/club/member/membershipCommandHandler.ts
index 602d6d7..0cd0e5a 100644
--- a/src/command/club/member/membershipCommandHandler.ts
+++ b/src/command/club/member/membershipCommandHandler.ts
@@ -31,7 +31,7 @@ export default abstract class MembershipCommandHandler {
           .createQueryBuilder()
           .update(membership)
           .set({
-            end: new Date(createMembership.start).setDate(new Date(createMembership.start).getDate() - 1),
+            end: new Date(new Date(createMembership.start).setDate(new Date(createMembership.start).getDate() - 1)),
             terminationReason: "beendet durch neuen Eintrag.",
           })
           .where("end IS NULL")