diff --git a/src/main/resources/db/changelog/273-hs-office-debitor-rbac.sql b/src/main/resources/db/changelog/273-hs-office-debitor-rbac.sql
index bb551a0a..64aaeb53 100644
--- a/src/main/resources/db/changelog/273-hs-office-debitor-rbac.sql
+++ b/src/main/resources/db/changelog/273-hs-office-debitor-rbac.sql
@@ -113,9 +113,11 @@ declare
     newRefundBankAccount hs_office_bankaccount;
 
 begin
-    delete from rbacgrants g where g.grantedbytriggerof = OLD.uuid;
-
-    call buildRbacSystemForHsOfficeDebitor(NEW);
+    if NEW.refundbankaccountuuid <> OLD.refundbankaccountuuid
+        or NEW.debitorreluuid <> OLD.debitorreluuid then
+        delete from rbacgrants g where g.grantedbytriggerof = OLD.uuid;
+        call buildRbacSystemForHsOfficeDebitor(NEW);
+    end if;
 end; $$;
 
 /*