diff --git a/sys/dev/ofw/ofw_bus_if.m b/sys/dev/ofw/ofw_bus_if.m
index 446338c4551..46fa281118d 100644
--- a/sys/dev/ofw/ofw_bus_if.m
+++ b/sys/dev/ofw/ofw_bus_if.m
@@ -89,7 +89,7 @@ CODE {
 	ofw_bus_default_get_node(device_t bus, device_t dev)
 	{
 
-		return (0);
+		return (-1);
 	}
 
 	static const char *
diff --git a/sys/dev/ofw/ofw_bus_subr.c b/sys/dev/ofw/ofw_bus_subr.c
index cc648f5fc5c..afe1393468d 100644
--- a/sys/dev/ofw/ofw_bus_subr.c
+++ b/sys/dev/ofw/ofw_bus_subr.c
@@ -157,7 +157,7 @@ ofw_bus_is_compatible(device_t dev, const char *onecompat)
 	if ((compat = ofw_bus_get_compat(dev)) == NULL)
 		return (0);
 
-	if ((node = ofw_bus_get_node(dev)) == 0)
+	if ((node = ofw_bus_get_node(dev)) == -1)
 		return (0);
 
 	/* Get total 'compatible' prop len */
diff --git a/sys/dev/ofw/ofw_iicbus.c b/sys/dev/ofw/ofw_iicbus.c
index 906a49f572e..63a0464cf01 100644
--- a/sys/dev/ofw/ofw_iicbus.c
+++ b/sys/dev/ofw/ofw_iicbus.c
@@ -88,7 +88,7 @@ static int
 ofw_iicbus_probe(device_t dev)
 {
 
-	if (ofw_bus_get_node(dev) == 0)
+	if (ofw_bus_get_node(dev) == -1)
 		return (ENXIO);
 	device_set_desc(dev, "OFW I2C bus");
 
diff --git a/sys/dev/pcf/pcf_ebus.c b/sys/dev/pcf/pcf_ebus.c
index d354d9a0296..b3a27377c94 100644
--- a/sys/dev/pcf/pcf_ebus.c
+++ b/sys/dev/pcf/pcf_ebus.c
@@ -147,7 +147,7 @@ pcf_ebus_attach(device_t dev)
 	mtx_init(&sc->pcf_lock, device_get_nameunit(dev), "pcf", MTX_DEF);
 
 	/* get OFW node of the pcf */
-	if ((node = ofw_bus_get_node(dev)) <= 0) {
+	if ((node = ofw_bus_get_node(dev)) == -1) {
 		device_printf(dev, "cannot get OFW node\n");
 		goto error;
 	}
diff --git a/sys/powerpc/ofw/ofw_pcib_pci.c b/sys/powerpc/ofw/ofw_pcib_pci.c
index 6d4bc7a000e..d6c4168a61f 100644
--- a/sys/powerpc/ofw/ofw_pcib_pci.c
+++ b/sys/powerpc/ofw/ofw_pcib_pci.c
@@ -93,7 +93,7 @@ ofw_pcib_pci_probe(device_t dev)
 		return (ENXIO);
 	}
 
-	if (ofw_bus_get_node(dev) == 0)
+	if (ofw_bus_get_node(dev) == -1)
 		return (ENXIO);
 
 	device_set_desc(dev, "OFW PCI-PCI bridge");
diff --git a/sys/powerpc/ofw/ofw_pcibus.c b/sys/powerpc/ofw/ofw_pcibus.c
index c611bb51a14..c3dfed00b93 100644
--- a/sys/powerpc/ofw/ofw_pcibus.c
+++ b/sys/powerpc/ofw/ofw_pcibus.c
@@ -105,7 +105,7 @@ static int
 ofw_pcibus_probe(device_t dev)
 {
 
-	if (ofw_bus_get_node(dev) == 0)
+	if (ofw_bus_get_node(dev) == -1)
 		return (ENXIO);
 	device_set_desc(dev, "OFW PCI bus");
 
diff --git a/sys/sparc64/pci/ofw_pcibus.c b/sys/sparc64/pci/ofw_pcibus.c
index 9dd0e275aaf..92b9f76d1bc 100644
--- a/sys/sparc64/pci/ofw_pcibus.c
+++ b/sys/sparc64/pci/ofw_pcibus.c
@@ -111,7 +111,7 @@ static int
 ofw_pcibus_probe(device_t dev)
 {
 
-	if (ofw_bus_get_node(dev) == 0)
+	if (ofw_bus_get_node(dev) == -1)
 		return (ENXIO);
 	device_set_desc(dev, "OFW PCI bus");