diff --git a/stand/efi/libefi/efinet.c b/stand/efi/libefi/efinet.c
index 418790524e4a..989b2efdaac2 100644
--- a/stand/efi/libefi/efinet.c
+++ b/stand/efi/libefi/efinet.c
@@ -178,7 +178,7 @@ efinet_get(struct iodesc *desc, void **pkt, time_t timeout)
 		return (ret);
 
 	bufsz = net->Mode->MaxPacketSize + ETHER_HDR_LEN + ETHER_CRC_LEN;
-	buf = malloc(bufsz + ETHER_ALIGN);
+	buf = memalign(4, bufsz + ETHER_ALIGN);
 	if (buf == NULL)
 		return (ret);
 	ptr = buf + ETHER_ALIGN;
diff --git a/stand/i386/libi386/pxe.c b/stand/i386/libi386/pxe.c
index 217692b515f0..7812e627d7b4 100644
--- a/stand/i386/libi386/pxe.c
+++ b/stand/i386/libi386/pxe.c
@@ -484,7 +484,7 @@ pxe_netif_receive(void **pkt)
 	}
 
 	size = isr->FrameLength;
-	buf = malloc(size + ETHER_ALIGN);
+	buf = memalign(4, size + ETHER_ALIGN);
 	if (buf == NULL) {
 		bio_free(isr, sizeof(*isr));
 		return (-1);
diff --git a/stand/libofw/ofw_net.c b/stand/libofw/ofw_net.c
index 14494ecc2b2e..a037c3defaf5 100644
--- a/stand/libofw/ofw_net.c
+++ b/stand/libofw/ofw_net.c
@@ -142,7 +142,7 @@ ofwn_get(struct iodesc *desc, void **pkt, time_t timeout)
 	 * a small shortcut here.
 	 */
 	len = ETHER_MAX_LEN;
-	buf = malloc(len + ETHER_ALIGN);
+	buf = memalign(4, len + ETHER_ALIGN);
 	if (buf == NULL)
 		return (-1);
 	ptr = buf + ETHER_ALIGN;
diff --git a/stand/uboot/lib/net.c b/stand/uboot/lib/net.c
index 2e1b9ab4caa4..852faa794ca1 100644
--- a/stand/uboot/lib/net.c
+++ b/stand/uboot/lib/net.c
@@ -302,7 +302,7 @@ net_get(struct iodesc *desc, void **pkt, time_t timeout)
 #endif
 
 	if (rlen > 0) {
-		buf = malloc(rlen + ETHER_ALIGN);
+		buf = memalign(4, rlen + ETHER_ALIGN);
 		if (buf == NULL)
 			return (-1);
 		memcpy(buf + ETHER_ALIGN, sc->sc_rxbuf, rlen);