--- BDB/BDB.xs	2016/02/02 04:07:06	1.79
+++ BDB/BDB.xs	2016/02/02 04:24:00	1.80
@@ -861,9 +861,11 @@
         break;
 #endif
 
+#if DBVER >= 407
       case REQ_ENV_LSN_RESET:
         req->result = req->env->lsn_reset (req->env, req->buf1, req->uint1);
         break;
+#endif
 
       case REQ_ENV_LOG_ARCHIVE:
         {