diff --git a/src/superio/fintek/f81803a/acpi/superio.asl b/src/superio/fintek/f81803a/acpi/superio.asl
index 302f2f4ffe..4e2c525856 100644
--- a/src/superio/fintek/f81803a/acpi/superio.asl
+++ b/src/superio/fintek/f81803a/acpi/superio.asl
@@ -152,7 +152,7 @@ Device(SUPERIO_DEV) {
 			ENTER_CONFIG_MODE (SUPERIO_UART_LDN)
 			  PNP_WRITE_IO(PNP_IO0, Arg0, IO0)
 			  PNP_WRITE_IRQ(PNP_IRQ0, Arg0, IR0)
-			  Store (One, PNP_DEVICE_ACTIVE)
+			  PNP_DEVICE_ACTIVE = 1
 			EXIT_CONFIG_MODE ()
 		}
 	}
@@ -221,7 +221,7 @@ Device(SUPERIO_DEV) {
 			ENTER_CONFIG_MODE (SUPERIO_UART_LDN)
 			  PNP_WRITE_IO(PNP_IO0, Arg0, IO0)
 			  PNP_WRITE_IRQ(PNP_IRQ0, Arg0, IR0)
-			  Store (One, PNP_DEVICE_ACTIVE)
+			  PNP_DEVICE_ACTIVE = 1
 			EXIT_CONFIG_MODE ()
 		}
 	}
@@ -244,7 +244,7 @@ Device(SUPERIO_DEV) {
 	{
 		/* DBG0("SIO CPSI") */
 		ENTER_CONFIG_MODE(SUPERIO_PME_LDN)
-		Store(1, PSIN)
+		PSIN = 1
 		EXIT_CONFIG_MODE()
 	}
 #endif