diff --git a/lib/isc/unix/ifiter_ioctl.c b/lib/isc/unix/ifiter_ioctl.c
index b2a8e97891..2c47a12966 100644
--- a/lib/isc/unix/ifiter_ioctl.c
+++ b/lib/isc/unix/ifiter_ioctl.c
@@ -237,7 +237,7 @@ internal_next(isc_interfaceiter_t *iter) {
 	
 	ifrp = (struct ifreq *)((char *) iter->ifc.ifc_req + iter->pos);
 		
-#ifdef ISC_NET_HAVESALEN
+#ifdef ISC_PLATFORM_HAVESALEN
 	if (ifrp->ifr_addr.sa_len > sizeof(struct sockaddr))
 		iter->pos += sizeof(ifrp->ifr_name) + ifrp->ifr_addr.sa_len;
 	else
diff --git a/lib/isc/unix/ifiter_sysctl.c b/lib/isc/unix/ifiter_sysctl.c
index 7cd6bd9dd7..69774d2c08 100644
--- a/lib/isc/unix/ifiter_sysctl.c
+++ b/lib/isc/unix/ifiter_sysctl.c
@@ -195,7 +195,7 @@ internal_current(isc_interfaceiter_t *iter) {
 				dst_sa = sa;
 				break;
 			}
-#ifdef ISC_NET_HAVESALEN
+#ifdef ISC_PLATFORM_HAVESALEN
 			sa = (struct sockaddr *)((char*)(sa)
 					 + ROUNDUP(sa->sa_len));
 #else