diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 791449a2370f4f10af698dbaf27bb3749d6d263a..daa68acbc9003b34615fc43b810c5fb77dd87ecf 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -1458,5 +1458,5 @@ static void __exit acpi_wmi_exit(void)
 	class_unregister(&wmi_bus_class);
 }
 
-subsys_initcall(acpi_wmi_init);
+subsys_initcall_sync(acpi_wmi_init);
 module_exit(acpi_wmi_exit);