diff --git a/cpu/native/include/tap.h b/cpu/native/include/tap.h
index 0756332eaf..28d642233a 100644
--- a/cpu/native/include/tap.h
+++ b/cpu/native/include/tap.h
@@ -18,6 +18,7 @@
 
 #include <net/ethernet.h>
 
+#include "board.h"
 #include "radio/types.h"
 
 /**
@@ -36,7 +37,7 @@ extern int _native_tap_fd;
 extern unsigned char _native_tap_mac[ETHER_ADDR_LEN];
 
 struct nativenet_header {
-    uint16_t length;
+    radio_packet_length_t length;
     radio_address_t dst;
     radio_address_t src;
 } __attribute__((packed));
diff --git a/sys/include/radio/types.h b/sys/include/radio/types.h
index efb4facfc8..7610231892 100644
--- a/sys/include/radio/types.h
+++ b/sys/include/radio/types.h
@@ -27,7 +27,9 @@
 
 #include <stdint.h>
 #include <stdbool.h>
-#include <timex.h>
+
+#include "board.h"
+#include "timex.h"
 
 typedef uint8_t protocol_t;			///< Packet protocol type
 typedef uint16_t radio_address_t;	///< Radio layer address type
@@ -71,7 +73,7 @@ typedef struct __attribute__((packed))
     uint8_t rssi;           ///< Radio Signal Strength Indication
     uint8_t lqi;            ///< Link Quality Indicator
     timex_t toa;            ///< Time of Arrival
-    uint8_t length;         ///< Length of payload
+    radio_packet_length_t length;         ///< Length of payload
     uint8_t *data;          ///< Payload
 }
 radio_packet_t;