diff --git a/lib/ff_memory.c b/lib/ff_memory.c
index bbefd3a62..63e6686a4 100644
--- a/lib/ff_memory.c
+++ b/lib/ff_memory.c
@@ -422,7 +422,7 @@ static inline struct rte_mbuf*     ff_bsd_to_rte(void *m, int total)
         }
         ff_next_mbuf(&p_bsdbuf, &data, &len);        // p_bsdbuf move to next mbuf.
         cur->buf_addr = data;
-        cur->buf_physaddr = ff_mem_virt2phy((const void*)(cur->buf_addr));
+        cur->buf_iova = ff_mem_virt2phy((const void*)(cur->buf_addr));
         cur->data_off = 0;
         cur->data_len = len;