diff --git a/drivers/bus/acpi/interface.c b/drivers/bus/acpi/interface.c
index eede95d1943..817f56095b1 100644
--- a/drivers/bus/acpi/interface.c
+++ b/drivers/bus/acpi/interface.c
@@ -79,7 +79,7 @@ AcpiInterfaceNotificationsRegister(PDEVICE_OBJECT Context,
 {
   UNIMPLEMENTED;
 
-  return STATUS_NOT_IMPLEMENTED;
+  return STATUS_SUCCESS;
 }
 
 VOID