diff --git a/sys/dev/usb/ehci_pci.c b/sys/dev/usb/ehci_pci.c
index 5b1b1f19f72..2ccbeb92ea3 100644
--- a/sys/dev/usb/ehci_pci.c
+++ b/sys/dev/usb/ehci_pci.c
@@ -239,7 +239,7 @@ ehci_pci_attach(device_t self)
 		ehci_pci_detach(self);
 		return ENOMEM;
 	}
-	device_set_ivars(sc->sc_bus.bdev, sc);
+	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
 
 	/* ehci_pci_match will never return NULL if ehci_pci_probe succeeded */
 	device_set_desc(sc->sc_bus.bdev, ehci_pci_match(self));
diff --git a/sys/dev/usb/ohci_pci.c b/sys/dev/usb/ohci_pci.c
index 6700323dc5c..3766e6834d5 100644
--- a/sys/dev/usb/ohci_pci.c
+++ b/sys/dev/usb/ohci_pci.c
@@ -244,7 +244,7 @@ ohci_pci_attach(device_t self)
 		ohci_pci_detach(self);
 		return ENOMEM;
 	}
-	device_set_ivars(sc->sc_bus.bdev, sc);
+	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
 
 	/* ohci_pci_match will never return NULL if ohci_pci_probe succeeded */
 	device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
diff --git a/sys/dev/usb/uhci_pci.c b/sys/dev/usb/uhci_pci.c
index 50b12c75b3f..3583eae9761 100644
--- a/sys/dev/usb/uhci_pci.c
+++ b/sys/dev/usb/uhci_pci.c
@@ -297,7 +297,7 @@ uhci_pci_attach(device_t self)
 		uhci_pci_detach(self);
 		return ENOMEM;
 	}
-	device_set_ivars(sc->sc_bus.bdev, sc);
+	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
 
 	/* uhci_pci_match must never return NULL if uhci_pci_probe succeeded */
 	device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));