diff --git a/src/southbridge/intel/lynxpoint/acpi/serialio.asl b/src/southbridge/intel/lynxpoint/acpi/serialio.asl
index 4c0d36bcc6..3e68c133a8 100644
--- a/src/southbridge/intel/lynxpoint/acpi/serialio.asl
+++ b/src/southbridge/intel/lynxpoint/acpi/serialio.asl
@@ -502,6 +502,8 @@ Device (GPIO)
 			,            // ResourceSourceIndex
 			,            // ResourceSource
 			BAR0)
+		Interrupt (ResourceConsumer,
+			Level, ActiveHigh, Shared, , , ) {14}
 	})
 
 	Method (_CRS, 0, NotSerialized)