diff --git a/devices/ioctrl/heathrow.cpp b/devices/ioctrl/heathrow.cpp
index 5efe001..155fb88 100644
--- a/devices/ioctrl/heathrow.cpp
+++ b/devices/ioctrl/heathrow.cpp
@@ -94,7 +94,7 @@ HeathrowIC::HeathrowIC() : PCIDevice("mac-io/heathrow"), InterruptCtrl()
     this->floppy_dma->register_dma_int(this, 2);
 
     // connect Ethernet HW
-    this->bmac = dynamic_cast<BigMac*>(gMachineObj->get_comp_by_type(HWCompType::ETHER_MAC));
+    this->bmac = dynamic_cast<BigMac*>(gMachineObj->get_comp_by_name("BigMacHeathrow"));
 
     // set EMMO pin status (active low)
     this->emmo_pin = GET_BIN_PROP("emmo") ^ 1;