diff --git a/net/devif/devif_cansend.c b/net/devif/devif_cansend.c
index 753868fe82..5807fdf773 100644
--- a/net/devif/devif_cansend.c
+++ b/net/devif/devif_cansend.c
@@ -55,8 +55,7 @@
 void devif_can_send(FAR struct net_driver_s *dev, FAR const void *buf,
                     unsigned int len)
 {
-  unsigned int limit = NETDEV_PKTSIZE(dev) -
-                       CONFIG_NET_LL_GUARDSIZE;
+  unsigned int limit = NETDEV_PKTSIZE(dev) - NET_LL_HDRLEN(dev);
 
   if (dev == NULL || len == 0 || len > limit)
     {
diff --git a/net/devif/devif_pktsend.c b/net/devif/devif_pktsend.c
index 8c98699e69..7b3982c81b 100644
--- a/net/devif/devif_pktsend.c
+++ b/net/devif/devif_pktsend.c
@@ -55,8 +55,7 @@
 void devif_pkt_send(FAR struct net_driver_s *dev, FAR const void *buf,
                     unsigned int len)
 {
-  unsigned int limit = NETDEV_PKTSIZE(dev) -
-                       CONFIG_NET_LL_GUARDSIZE;
+  unsigned int limit = NETDEV_PKTSIZE(dev) - NET_LL_HDRLEN(dev);
 
   if (dev == NULL || len == 0 || len > limit)
     {
diff --git a/net/devif/devif_send.c b/net/devif/devif_send.c
index 020e843909..bfb963e84c 100644
--- a/net/devif/devif_send.c
+++ b/net/devif/devif_send.c
@@ -69,7 +69,7 @@ void devif_send(FAR struct net_driver_s *dev, FAR const void *buf,
                 int len, unsigned int offset)
 {
   unsigned int limit = NETDEV_PKTSIZE(dev) -
-                       CONFIG_NET_LL_GUARDSIZE - offset;
+                       NET_LL_HDRLEN(dev) - offset;
 
   if (dev == NULL || len == 0 || len > limit)
     {