diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/sepamandate/HsOfficeSepaMandateRepositoryIntegrationTest.java b/src/test/java/net/hostsharing/hsadminng/hs/office/sepamandate/HsOfficeSepaMandateRepositoryIntegrationTest.java
index 04b5b5cf..bb851eda 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/sepamandate/HsOfficeSepaMandateRepositoryIntegrationTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/sepamandate/HsOfficeSepaMandateRepositoryIntegrationTest.java
@@ -176,9 +176,9 @@ class HsOfficeSepaMandateRepositoryIntegrationTest extends ContextBasedTestWithC
             // then
             allTheseSepaMandatesAreReturned(
                     result,
-                    "SEPA-Mandate(DE02120300000000202051, refFirstGmbH, 2022-09-30, [2022-10-01,2027-01-01))",
-                    "SEPA-Mandate(DE02100500000054540402, refSeconde.K., 2022-09-30, [2022-10-01,2027-01-01))",
-                    "SEPA-Mandate(DE02300209000106531065, refThirdOHG, 2022-09-30, [2022-10-01,2027-01-01))");
+                    "SEPA-Mandate(DE02100500000054540402, ref-11120002, 2022-09-30, [2022-10-01,2027-01-01))",
+                    "SEPA-Mandate(DE02120300000000202051, ref-11110001, 2022-09-30, [2022-10-01,2027-01-01))",
+                    "SEPA-Mandate(DE02300209000106531065, ref-11130003, 2022-09-30, [2022-10-01,2027-01-01))");
         }
 
         @Test
@@ -192,7 +192,7 @@ class HsOfficeSepaMandateRepositoryIntegrationTest extends ContextBasedTestWithC
             // then:
             exactlyTheseSepaMandatesAreReturned(
                     result,
-                    "SEPA-Mandate(DE02120300000000202051, refFirstGmbH, 2022-09-30, [2022-10-01,2027-01-01))");
+                    "SEPA-Mandate(DE02120300000000202051, ref-11110001, 2022-09-30, [2022-10-01,2027-01-01))");
         }
     }
 
@@ -210,9 +210,9 @@ class HsOfficeSepaMandateRepositoryIntegrationTest extends ContextBasedTestWithC
             // then
             exactlyTheseSepaMandatesAreReturned(
                     result,
-                    "SEPA-Mandate(DE02120300000000202051, refFirstGmbH, 2022-09-30, [2022-10-01,2027-01-01))",
-                    "SEPA-Mandate(DE02100500000054540402, refSeconde.K., 2022-09-30, [2022-10-01,2027-01-01))",
-                    "SEPA-Mandate(DE02300209000106531065, refThirdOHG, 2022-09-30, [2022-10-01,2027-01-01))");
+                    "SEPA-Mandate(DE02100500000054540402, ref-11120002, 2022-09-30, [2022-10-01,2027-01-01))",
+                    "SEPA-Mandate(DE02120300000000202051, ref-11110001, 2022-09-30, [2022-10-01,2027-01-01))",
+                    "SEPA-Mandate(DE02300209000106531065, ref-11130003, 2022-09-30, [2022-10-01,2027-01-01))");
         }
 
         @Test
@@ -226,7 +226,7 @@ class HsOfficeSepaMandateRepositoryIntegrationTest extends ContextBasedTestWithC
             // then
             exactlyTheseSepaMandatesAreReturned(
                     result,
-                    "SEPA-Mandate(DE02300209000106531065, refThirdOHG, 2022-09-30, [2022-10-01,2027-01-01))");
+                    "SEPA-Mandate(DE02300209000106531065, ref-11130003, 2022-09-30, [2022-10-01,2027-01-01))");
         }
     }
 
@@ -396,9 +396,10 @@ class HsOfficeSepaMandateRepositoryIntegrationTest extends ContextBasedTestWithC
         @SuppressWarnings("unchecked") final List<Object[]> customerLogEntries = query.getResultList();
 
         // then
-        assertThat(customerLogEntries).map(Arrays::toString).contains(
-                "[creating SEPA-mandate test-data FirstGmbH, hs_office_sepamandate, INSERT]",
-                "[creating SEPA-mandate test-data Seconde.K., hs_office_sepamandate, INSERT]");
+        assertThat(customerLogEntries).map(Arrays::toString).containsExactly(
+                "[creating SEPA-mandate test-data 1000111, hs_office_sepamandate, INSERT]",
+                "[creating SEPA-mandate test-data 1000212, hs_office_sepamandate, INSERT]",
+                "[creating SEPA-mandate test-data 1000313, hs_office_sepamandate, INSERT]");
     }
 
     private HsOfficeSepaMandateEntity givenSomeTemporarySepaMandateBessler(final String bankAccountHolder) {