diff --git a/src/main.c b/src/main.c
index dbd8cc6..051a70c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -43,12 +43,22 @@ int ifnow_now_receive_callback(void *cfg, uint8_t *buf, ssize_t len) {
   }
   printf("\n");
 
+  struct IEEE80211_radiotap radiotap;
+  struct IEEE80211_wlan wlan;
+
+  memcpy(&radiotap, buf, sizeof(struct IEEE80211_radiotap));
+  memcpy(&wlan, buf + radiotap.length, len - radiotap.length);
+
   // TODO apply buf to actual structs of headers
-  uint8_t bp = 57;
-  int err = ifnow_tun_send(&tun_cfg, buf + bp, len - bp);
+  uint8_t bp = radiotap.length + 24 + 7 + 8;
+
+  int err = ifnow_tun_send(&tun_cfg, buf + bp, len - bp - 4);
+
   if(err < 0) {
     perror("Failed to send over tunnel");
   }
+
+  return err;
 }
 
 int ifnow_tun_receive_callback(void *cfg, uint8_t *buf, uint32_t len) {