diff --git a/src/main/resources/db/changelog/228-hs-office-relationship-test-data.sql b/src/main/resources/db/changelog/228-hs-office-relationship-test-data.sql
index 5c22d2a4..39c15ac2 100644
--- a/src/main/resources/db/changelog/228-hs-office-relationship-test-data.sql
+++ b/src/main/resources/db/changelog/228-hs-office-relationship-test-data.sql
@@ -99,8 +99,6 @@ do language plpgsql $$
 
         call createHsOfficeRelationshipTestData('Smith', 'PARTNER', 'Hostsharing eG', 'sixth contact');
         call createHsOfficeRelationshipTestData('Smith', 'SUBSCRIBER', 'Third OHG', 'third contact', 'members-announce');
-
-        call createHsOfficeRelationshipTestData('Third OHG', 'Smith', 'SUBSCRIBER', 'third contact', 'members-announce');
     end;
 $$;
 --//
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeData.java b/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeData.java
index 38ce7009..68d6fe39 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeData.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeData.java
@@ -344,10 +344,10 @@ public class ImportOfficeData extends ContextBasedTest {
 
         assertThat(toFormattedString(coopShares)).isEqualToIgnoringWhitespace("""
                 {
-                    33443=CoopShareTransaction(1001700, 2000-12-06, SUBSCRIPTION, 20, initial share subscription),
-                    33451=CoopShareTransaction(1002000, 2000-12-06, SUBSCRIPTION, 2, initial share subscription),
-                    33701=CoopShareTransaction(1001700, 2005-01-10, SUBSCRIPTION, 40, increase),
-                    33810=CoopShareTransaction(1002000, 2016-12-31, CANCELLATION, 22, membership ended)
+                    33443=CoopShareTransaction(M-1001700, 2000-12-06, SUBSCRIPTION, 20, initial share subscription),
+                    33451=CoopShareTransaction(M-1002000, 2000-12-06, SUBSCRIPTION, 2, initial share subscription),
+                    33701=CoopShareTransaction(M-1001700, 2005-01-10, SUBSCRIPTION, 40, increase),
+                    33810=CoopShareTransaction(M-1002000, 2016-12-31, CANCELLATION, 22, membership ended)
                 }
                 """);
     }