diff --git a/drivers/net/mmnif.c b/drivers/net/mmnif.c
index c07db0b5..cc6a8bba 100644
--- a/drivers/net/mmnif.c
+++ b/drivers/net/mmnif.c
@@ -1144,6 +1144,7 @@ static int mmnif_wait(struct netif* netif, uint32_t poll, int budget)
 		}
 
 		npackets++;
+                pbuf_free(p);
 	}
 
 	/* Note : i will add an return error wich indicates that