if ( lutil_atoi( &kvno, a->a_vals[0].bv_val ) != 0 ) {
                                Debug( LDAP_DEBUG_ANY, "%s smbk5pwd EXOP: "
                                        "dn=\"%s\" unable to parse krb5KeyVersionNumber=\"%s\"\n",
-                                       op->o_log, e->e_name.bv_val, a->a_vals[0].bv_val );
+                                       op->o_log_prefix, e->e_name.bv_val, a->a_vals[0].bv_val );
                        }
 
                } else {
                        /* shouldn't happen, this is a required attr */
                        Debug( LDAP_DEBUG_ANY, "%s smbk5pwd EXOP: "
                                "dn=\"%s\" missing krb5KeyVersionNumber\n",
-                               op->o_log, e->e_name.bv_val, 0 );
+                               op->o_log_prefix, e->e_name.bv_val, 0 );
                }
 
                ret = _kadm5_set_keys(kadm_context, &ent, qpw->rs_new.bv_val);