diff --git a/sys/amd64/amd64/legacy.c b/sys/amd64/amd64/legacy.c
index 01c497f98c65..2247c9b4f010 100644
--- a/sys/amd64/amd64/legacy.c
+++ b/sys/amd64/amd64/legacy.c
@@ -105,10 +105,10 @@ legacy_identify(driver_t *driver, device_t parent)
 {
 
 	/*
-	 * Add child device with order of 1 so it gets probed
-	 * after ACPI (which is at order 0.
+	 * Add child device with order of 11 so it gets probed
+	 * after ACPI (which is at order 10).
 	 */
-	if (BUS_ADD_CHILD(parent, 1, "legacy", 0) == NULL)
+	if (BUS_ADD_CHILD(parent, 11, "legacy", 0) == NULL)
 		panic("legacy: could not attach");
 }
 
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
index 3c19ef51e62b..448c626916c1 100644
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -350,7 +350,7 @@ acpi_identify(driver_t *driver, device_t parent)
     snprintf(acpi_ca_version, sizeof(acpi_ca_version), "%x", ACPI_CA_VERSION);
 
     /* Attach the actual ACPI device. */
-    if ((child = BUS_ADD_CHILD(parent, 0, "acpi", 0)) == NULL) {
+    if ((child = BUS_ADD_CHILD(parent, 10, "acpi", 0)) == NULL) {
 	device_printf(parent, "device_identify failed\n");
 	return_VOID;
     }
diff --git a/sys/i386/bios/smapi.c b/sys/i386/bios/smapi.c
index 9879c90334de..a97e2a9221c9 100644
--- a/sys/i386/bios/smapi.c
+++ b/sys/i386/bios/smapi.c
@@ -166,7 +166,7 @@ smapi_identify (driver_t *driver, device_t parent)
 		rid = 0;
 		length = ADDR2HDR(addr)->length;
 
-		child = BUS_ADD_CHILD(parent, 0, "smapi", -1);
+		child = BUS_ADD_CHILD(parent, 5, "smapi", -1);
 		device_set_driver(child, driver);
 		bus_set_resource(child, SYS_RES_MEMORY, rid, addr, length);
 		device_set_desc(child, "SMAPI BIOS");
diff --git a/sys/i386/bios/smbios.c b/sys/i386/bios/smbios.c
index c620b4cc0644..f38d98573993 100644
--- a/sys/i386/bios/smbios.c
+++ b/sys/i386/bios/smbios.c
@@ -131,7 +131,7 @@ smbios_identify (driver_t *driver, device_t parent)
 				return;
 		}
 
-		child = BUS_ADD_CHILD(parent, 0, "smbios", -1);
+		child = BUS_ADD_CHILD(parent, 5, "smbios", -1);
 		device_set_driver(child, driver);
 		bus_set_resource(child, SYS_RES_MEMORY, rid, addr, length);
 		device_set_desc(child, "System Management BIOS");
diff --git a/sys/i386/bios/vpd.c b/sys/i386/bios/vpd.c
index 735efe760e64..246b76d35702 100644
--- a/sys/i386/bios/vpd.c
+++ b/sys/i386/bios/vpd.c
@@ -128,7 +128,7 @@ vpd_identify (driver_t *driver, device_t parent)
 		rid = 0;
 		length = ADDR2VPD(addr)->Length;
 
-		child = BUS_ADD_CHILD(parent, 0, "vpd", -1);
+		child = BUS_ADD_CHILD(parent, 5, "vpd", -1);
 		device_set_driver(child, driver);
 		bus_set_resource(child, SYS_RES_MEMORY, rid, addr, length);
 		device_set_desc(child, "Vital Product Data Area");
diff --git a/sys/i386/i386/legacy.c b/sys/i386/i386/legacy.c
index e5f7e8e67d1f..0cd4dc583297 100644
--- a/sys/i386/i386/legacy.c
+++ b/sys/i386/i386/legacy.c
@@ -110,10 +110,10 @@ legacy_identify(driver_t *driver, device_t parent)
 {
 
 	/*
-	 * Add child device with order of 1 so it gets probed
-	 * after ACPI (which is at order 0.
+	 * Add child device with order of 11 so it gets probed
+	 * after ACPI (which is at order 10).
 	 */
-	if (BUS_ADD_CHILD(parent, 1, "legacy", 0) == NULL)
+	if (BUS_ADD_CHILD(parent, 11, "legacy", 0) == NULL)
 		panic("legacy: could not attach");
 }