diff --git a/src/include/lwip/priv/memp_std.h b/src/include/lwip/priv/memp_std.h
index 1223b123..669ad4d7 100644
--- a/src/include/lwip/priv/memp_std.h
+++ b/src/include/lwip/priv/memp_std.h
@@ -130,7 +130,7 @@ LWIP_MEMPOOL(MLD6_GROUP,     MEMP_NUM_MLD6_GROUP,      sizeof(struct mld_group),
  *     This allocates enough space for the pbuf struct and a payload.
  *     (Example: pbuf_payload_size=0 allocates only size for the struct)
  */
-LWIP_PBUF_MEMPOOL(PBUF,      MEMP_NUM_PBUF,            0,                             "PBUF_REF/ROM")
+LWIP_MEMPOOL(PBUF,           MEMP_NUM_PBUF,            sizeof(struct pbuf),           "PBUF_REF/ROM")
 LWIP_PBUF_MEMPOOL(PBUF_POOL, PBUF_POOL_SIZE,           PBUF_POOL_BUFSIZE,             "PBUF_POOL")