diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index a498a6cc68fec1d463786fba1d3b6c84a6e6b68f..235a1386888a42fb19c59f6080155a6e774071b3 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -742,6 +742,7 @@ EXPORT_SYMBOL(acpi_os_execute);
 void acpi_os_wait_events_complete(void *context)
 {
 	flush_workqueue(kacpid_wq);
+	flush_workqueue(kacpi_notify_wq);
 }
 
 EXPORT_SYMBOL(acpi_os_wait_events_complete);