diff --git a/src/soc/amd/genoa/acpi.c b/src/soc/amd/genoa/acpi.c
index 2f7af7a..d9b934f 100644
--- a/src/soc/amd/genoa/acpi.c
+++ b/src/soc/amd/genoa/acpi.c
@@ -39,7 +39,7 @@
 	fadt->pm_tmr_len = 4;	/* 32 bits */
 	fadt->gpe0_blk_len = 8;	/* 64 bits */
 
-	fill_fadt_extended_pm_regs(fadt);
+	fill_fadt_extended_pm_io(fadt);
 
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE; /* legacy free default */
 	fadt->flags |=	ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */