diff --git a/bsp/sam7x/drivers/sam7x_emac.c b/bsp/sam7x/drivers/sam7x_emac.c
index e84807f3abb5988ff0871f8d1891f6e595011467..3cad4e8f19d1da22c951564e61e0c6a26c73df58 100644
--- a/bsp/sam7x/drivers/sam7x_emac.c
+++ b/bsp/sam7x/drivers/sam7x_emac.c
@@ -5,6 +5,7 @@
 #include "sam7x_emac.h"
 #include "AT91SAM7X256.h"
 #include "lwipopts.h"
+#include "lwip/mem.h"
 
 #define MAX_ADDR_LEN 6