diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index d5fd4a1..c85b666 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -5217,6 +5217,7 @@
 			led_classdev_unregister(&tpacpi_leds[i].led_classdev);
 	}
 
+	flush_workqueue(tpacpi_wq);
 	kfree(tpacpi_leds);
 }