if ( new_ndn != NULL ) {
                BackendInfo *bi = op2.o_bd->bd_info;
+               OpExtra oex;
 
                assert( !BER_BVISNULL( new_dn ) );
                assert( !BER_BVISNULL( new_ndn ) );
                ml->sml_values[ 0 ] = *new_dn;
                ml->sml_nvalues[ 0 ] = *new_ndn;
 
+               oex.oe_key = (void *)&memberof;
+               LDAP_SLIST_INSERT_HEAD(&op2.o_extra, &oex, oe_next);
                op2.o_bd->bd_info = (BackendInfo *)on->on_info;
                (void)op->o_bd->be_modify( &op2, &rs2 );
                op2.o_bd->bd_info = bi;
+               LDAP_SLIST_REMOVE(&op2.o_extra, &oex, OpExtra, oe_next);
                if ( rs2.sr_err != LDAP_SUCCESS ) {
                        char buf[ SLAP_TEXT_BUFLEN ];
                        snprintf( buf, sizeof( buf ),
 
        if ( old_ndn != NULL ) {
                BackendInfo *bi = op2.o_bd->bd_info;
+               OpExtra oex;
 
                assert( !BER_BVISNULL( old_dn ) );
                assert( !BER_BVISNULL( old_ndn ) );
                ml->sml_values[ 0 ] = *old_dn;
                ml->sml_nvalues[ 0 ] = *old_ndn;
 
+               oex.oe_key = (void *)&memberof;
+               LDAP_SLIST_INSERT_HEAD(&op2.o_extra, &oex, oe_next);
                op2.o_bd->bd_info = (BackendInfo *)on->on_info;
                (void)op->o_bd->be_modify( &op2, &rs2 );
                op2.o_bd->bd_info = bi;
+               LDAP_SLIST_REMOVE(&op2.o_extra, &oex, OpExtra, oe_next);
                if ( rs2.sr_err != LDAP_SUCCESS ) {
                        char buf[ SLAP_TEXT_BUFLEN ];
                        snprintf( buf, sizeof( buf ),
        struct berval   save_dn, save_ndn;
        slap_callback *sc;
        memberof_cbinfo_t *mci;
+       OpExtra         *oex;
+
+       LDAP_SLIST_FOREACH( oex, &op->o_extra, oe_next ) {
+               if ( oex->oe_key == (void *)&memberof )
+                       return SLAP_CB_CONTINUE;
+       }
 
        if ( op->ora_e->e_attrs == NULL ) {
                /* FIXME: global overlay; need to deal with */
 
        slap_callback *sc;
        memberof_cbinfo_t *mci;
+       OpExtra         *oex;
 
+       LDAP_SLIST_FOREACH( oex, &op->o_extra, oe_next ) {
+               if ( oex->oe_key == (void *)&memberof )
+                       return SLAP_CB_CONTINUE;
+       }
 
        sc = op->o_tmpalloc( sizeof(slap_callback)+sizeof(*mci), op->o_tmpmemctx );
        sc->sc_private = sc+1;
        struct berval   save_dn, save_ndn;
        slap_callback *sc;
        memberof_cbinfo_t *mci, mcis;
+       OpExtra         *oex;
+
+       LDAP_SLIST_FOREACH( oex, &op->o_extra, oe_next ) {
+               if ( oex->oe_key == (void *)&memberof )
+                       return SLAP_CB_CONTINUE;
+       }
 
        if ( MEMBEROF_REVERSE( mo ) ) {
                for ( mlp = &op->orm_modlist; *mlp; mlp = &(*mlp)->sml_next ) {
        slap_overinst   *on = (slap_overinst *)op->o_bd->bd_info;
        slap_callback *sc;
        memberof_cbinfo_t *mci;
+       OpExtra         *oex;
+
+       LDAP_SLIST_FOREACH( oex, &op->o_extra, oe_next ) {
+               if ( oex->oe_key == (void *)&memberof )
+                       return SLAP_CB_CONTINUE;
+       }
 
        sc = op->o_tmpalloc( sizeof(slap_callback)+sizeof(*mci), op->o_tmpmemctx );
        sc->sc_private = sc+1;