diff --git a/sys/dev/e1000/if_em.c b/sys/dev/e1000/if_em.c
index dc83a3606d89..cf13fbbc465a 100644
--- a/sys/dev/e1000/if_em.c
+++ b/sys/dev/e1000/if_em.c
@@ -1088,7 +1088,7 @@ em_start_locked(struct ifnet *ifp)
 		if (em_xmit(adapter, &m_head)) {
 			if (m_head == NULL)
 				break;
-#ifndef IFNET_BUFRING
+#ifndef IFNET_BUF_RING
 			ifp->if_drv_flags |= IFF_DRV_OACTIVE;
 			IFQ_DRV_PREPEND(&ifp->if_snd, m_head);
 #endif