diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index f8016ed24523..7337bd1ac6df 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -258,8 +258,7 @@ static void ibm_handle_events(acpi_handle handle, u32 event, void *context)
 
 	if (subevent == 0x80) {
 		pr_debug("%s: generating bus event\n", __func__);
-		acpi_bus_generate_netlink_event(note->device->pnp.device_class,
-						  dev_name(&note->device->dev),
+		acpi_bus_generate_netlink_event("", dev_name(&note->device->dev),
 						  note->event, detail);
 	} else
 		note->event = event;