diff --git a/sys/dev/usb/controller/ehci_pci.c b/sys/dev/usb/controller/ehci_pci.c
index b71fb415dcb0..9b862a5a0181 100644
--- a/sys/dev/usb/controller/ehci_pci.c
+++ b/sys/dev/usb/controller/ehci_pci.c
@@ -220,7 +220,7 @@ ehci_pci_probe(device_t self)
 
 	if (desc) {
 		device_set_desc(self, desc);
-		return (0);
+		return (BUS_PROBE_DEFAULT);
 	} else {
 		return (ENXIO);
 	}
diff --git a/sys/dev/usb/controller/uhci_pci.c b/sys/dev/usb/controller/uhci_pci.c
index 4ac0d54db42f..89fc983c8180 100644
--- a/sys/dev/usb/controller/uhci_pci.c
+++ b/sys/dev/usb/controller/uhci_pci.c
@@ -244,7 +244,7 @@ uhci_pci_probe(device_t self)
 
 	if (desc) {
 		device_set_desc(self, desc);
-		return (0);
+		return (BUS_PROBE_DEFAULT);
 	} else {
 		return (ENXIO);
 	}
diff --git a/sys/dev/usb/controller/xhci_pci.c b/sys/dev/usb/controller/xhci_pci.c
index c2367f4c4a45..0e2c63201cb5 100644
--- a/sys/dev/usb/controller/xhci_pci.c
+++ b/sys/dev/usb/controller/xhci_pci.c
@@ -131,7 +131,7 @@ xhci_pci_probe(device_t self)
 
 	if (desc) {
 		device_set_desc(self, desc);
-		return (0);
+		return (BUS_PROBE_DEFAULT);
 	} else {
 		return (ENXIO);
 	}