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-rw-r--r--src/superio/acpi/pnp.asl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/superio/acpi/pnp.asl b/src/superio/acpi/pnp.asl
index 4d3adaa9ed..1f63e825da 100644
--- a/src/superio/acpi/pnp.asl
+++ b/src/superio/acpi/pnp.asl
@@ -87,7 +87,7 @@
/* Disable power saving mode */
#define PNP_GENERIC_PS0(PM_REG, PM_VAL, PM_LDN) \
ENTER_CONFIG_MODE (PM_LDN)\
- PM_REG = Not(PM_VAL) \
+ PM_REG = ~PM_VAL \
EXIT_CONFIG_MODE ()
/* Enable power saving mode */