diff --git a/drivers/encx24j600/encx24j600.c b/drivers/encx24j600/encx24j600.c
index 890a1bb5207f2b9c14099f05b80ac09170cb24d0..c76b62dece7e3900d2aadca3a88250ad9a8cdc10 100644
--- a/drivers/encx24j600/encx24j600.c
+++ b/drivers/encx24j600/encx24j600.c
@@ -101,7 +101,7 @@ static void encx24j600_isr(void *arg)
     gpio_irq_disable(dev->int_pin);
 
     /* call netdev2 hook */
-    dev->netdev.event_callback((netdev2_t*) dev, NETDEV2_EVENT_ISR, NULL);
+    dev->netdev.event_callback((netdev2_t*) dev, NETDEV2_EVENT_ISR, dev->isr_arg);
 }
 
 static void _isr(netdev2_t *netdev)