diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipEntity.java b/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipEntity.java
index 3b0f58de..a1741926 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipEntity.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/membership/HsOfficeMembershipEntity.java
@@ -13,6 +13,7 @@ import net.hostsharing.hsadminng.persistence.BaseEntity;
 import net.hostsharing.hsadminng.hs.office.partner.HsOfficePartnerEntity;
 import net.hostsharing.hsadminng.rbac.generator.RbacSpec;
 import net.hostsharing.hsadminng.rbac.generator.RbacSpec.SQL;
+import net.hostsharing.hsadminng.rbac.role.WithRoleId;
 import net.hostsharing.hsadminng.repr.Stringify;
 import net.hostsharing.hsadminng.repr.Stringifyable;
 import org.hibernate.annotations.Type;
@@ -63,7 +64,7 @@ import static net.hostsharing.hsadminng.repr.Stringify.stringify;
 @NoArgsConstructor
 @AllArgsConstructor
 @DisplayAs("Membership")
-public class HsOfficeMembershipEntity implements BaseEntity<HsOfficeMembershipEntity>, Stringifyable {
+public class HsOfficeMembershipEntity implements BaseEntity<HsOfficeMembershipEntity>, Stringifyable, WithRoleId {
 
     public static final String MEMBER_NUMBER_TAG = "M-";
     public static final String TWO_DECIMAL_DIGITS = "^([0-9]{2})$";