diff --git a/src/soc/amd/stoneyridge/smihandler.c b/src/soc/amd/stoneyridge/smihandler.c
index 7cc8900aa1..2830d18905 100644
--- a/src/soc/amd/stoneyridge/smihandler.c
+++ b/src/soc/amd/stoneyridge/smihandler.c
@@ -99,7 +99,7 @@ static void sb_apmc_smi_handler(void)
 	case APM_CNT_ACPI_DISABLE:
 		reg32 = inl(ACPI_PM1_CNT_BLK);
 		reg32 &= ~(1 << 0);	/* clear SCI_EN */
-		outl(ACPI_PM1_CNT_BLK, reg32);
+		outl(reg32, ACPI_PM1_CNT_BLK);
 		break;
 	case ELOG_GSMI_APM_CNT:
 		if (IS_ENABLED(CONFIG_ELOG_GSMI))