diff --git a/src/ec/quanta/ene_kb3940q/acpi/ec.asl b/src/ec/quanta/ene_kb3940q/acpi/ec.asl
index 6d22f9a3f1..12f0809d99 100644
--- a/src/ec/quanta/ene_kb3940q/acpi/ec.asl
+++ b/src/ec/quanta/ene_kb3940q/acpi/ec.asl
@@ -180,7 +180,7 @@ Device (EC0)
 		Local1 = PPCM - 1
 
 		If(LLess(Local0, Local1)) {
-			Increment(Local0)
+			Local0++
 			\PPCN ()
 		}