diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerController.java b/src/main/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerController.java
index aa8b572e..da0bbd37 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerController.java
@@ -170,8 +170,9 @@ public class HsOfficePartnerController implements HsOfficePartnersApi {
 
     private void optionallyCreateExPartnerRelation(final HsOfficePartnerRbacEntity saved, final HsOfficeRelationRealEntity previousPartnerRel) {
         if (!saved.getPartnerRel().getUuid().equals(previousPartnerRel.getUuid())) {
-            // TODO.impl: we also need to use the new partner-person as the anchor
-            relationRepo.save(previousPartnerRel.toBuilder().uuid(null).type(EX_PARTNER).build());
+            relationRepo.save(previousPartnerRel.toBuilder().uuid(null)
+                    .type(EX_PARTNER).anchor(saved.getPartnerRel().getHolder())
+                    .build());
         }
     }
 
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerControllerAcceptanceTest.java
index 7afd9714..4eac16e8 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerControllerAcceptanceTest.java
@@ -411,10 +411,10 @@ class HsOfficePartnerControllerAcceptanceTest extends ContextBasedTestWithCleanu
                     });
 
             // and an ex-partner-relation got created
-            final var anchorpartnerPersonUUid = givenPartner.getPartnerRel().getAnchor().getUuid();
-            assertThat(relationRepo.findRelationRelatedToPersonUuidRelationTypeMarkPersonAndContactData(anchorpartnerPersonUUid, EX_PARTNER, null, null, null))
+            final var newPartnerPersonUuid = givenPartner.getPartnerRel().getHolder().getUuid();
+            assertThat(relationRepo.findRelationRelatedToPersonUuidRelationTypeMarkPersonAndContactData(newPartnerPersonUuid, EX_PARTNER, null, null, null))
                     .map(HsOfficeRelation::toShortString)
-                    .contains("rel(anchor='LP Hostsharing eG', type='EX_PARTNER', holder='UF Erben Bessler')");
+                    .contains("rel(anchor='NP Winkler, Paul', type='EX_PARTNER', holder='UF Erben Bessler')");
         }
 
         @Test