diff --git a/cpu/native/netdev2_tap/netdev2_tap.c b/cpu/native/netdev2_tap/netdev2_tap.c
index b12631af57..6c1a39b833 100644
--- a/cpu/native/netdev2_tap/netdev2_tap.c
+++ b/cpu/native/netdev2_tap/netdev2_tap.c
@@ -296,7 +296,9 @@ static int _send(netdev2_t *netdev, const struct iovec *vector, int n)
     }
     netdev->stats.tx_bytes += bytes;
 #endif
-    netdev->event_callback(netdev, NETDEV2_EVENT_TX_COMPLETE, NULL);
+    if (netdev->event_callback) {
+        netdev->event_callback(netdev, NETDEV2_EVENT_TX_COMPLETE, NULL);
+    }
     return res;
 }