diff --git a/src/add-ons/kernel/drivers/network/ipro1000/if_compat.c b/src/add-ons/kernel/drivers/network/ipro1000/if_compat.c
index 5743564075..2863ff947a 100644
--- a/src/add-ons/kernel/drivers/network/ipro1000/if_compat.c
+++ b/src/add-ons/kernel/drivers/network/ipro1000/if_compat.c
@@ -86,6 +86,7 @@ ether_ifattach(struct ifnet *ifp, const uint8 *etheraddr)
 	ifp->if_input = ether_input;
 
 	ifp->if_rcv_sem = create_sem(0, "ifp->if_rcv_sem");
+	set_sem_owner(ifp->if_rcv_sem, B_SYSTEM_TEAM);
 	
 	TRACE("calling if_init...\n");
 	ifp->if_init(ifp->if_softc);
diff --git a/src/add-ons/kernel/drivers/network/rtl8169/device.c b/src/add-ons/kernel/drivers/network/rtl8169/device.c
index 517d3d7afe..c39957e2c1 100644
--- a/src/add-ons/kernel/drivers/network/rtl8169/device.c
+++ b/src/add-ons/kernel/drivers/network/rtl8169/device.c
@@ -340,16 +340,18 @@ rtl8169_open(const char *name, uint32 flags, void** cookie)
 	device->closed = false;
 	
 	device->rxSpinlock = 0;
-	device->rxReadySem = create_sem(0, "rtl8169 rx ready");
 	device->rxNextIndex = 0;
 	device->rxIntIndex = 0;
 	device->rxFree = RX_DESC_COUNT;
+	device->rxReadySem = create_sem(0, "rtl8169 rx ready");
+	set_sem_owner(device->rxReadySem, B_SYSTEM_TEAM);
 	
 	device->txSpinlock = 0;
-	device->txFreeSem = create_sem(TX_DESC_COUNT, "rtl8169 tx free");
 	device->txNextIndex = 0;
 	device->txIntIndex = 0;
 	device->txUsed = 0;
+	device->txFreeSem = create_sem(TX_DESC_COUNT, "rtl8169 tx free");
+	set_sem_owner(device->txFreeSem, B_SYSTEM_TEAM);
 	
 	// enable busmaster and memory mapped access, disable io port access
 	val = gPci->read_pci_config(device->pciInfo->bus, device->pciInfo->device, device->pciInfo->function, PCI_command, 2);