diff --git a/src/mainboard/lenovo/x201/acpi/dock.asl b/src/mainboard/lenovo/x201/acpi/dock.asl
index 2bba82141c..b3381a710c 100644
--- a/src/mainboard/lenovo/x201/acpi/dock.asl
+++ b/src/mainboard/lenovo/x201/acpi/dock.asl
@@ -60,6 +60,11 @@ Scope(\_SB.PCI0.LPCB.EC)
 		Notify(\_SB.DOCK, 3)
 	}
 
+	Method(_Q50, 0, NotSerialized)
+	{
+		Notify(\_SB.DOCK, 3)
+	}
+
 	Method(_Q58, 0, NotSerialized)
 	{
 		Notify(\_SB.DOCK, 0)