diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index 2d44ae3c1b..9ff7b72194 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -128,7 +128,7 @@ Device (EC0)
 		Name (_PRW, Package () { EC_ENABLE_WAKE_PIN, 0x5 })
 #endif
 	}
-#endif
+#endif /* EC_ENABLE_LID_SWITCH */
 
 	Method (TINS, 1, Serialized)
 	{