diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index a314d27a26..b63162465f 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -64,7 +64,8 @@ config CPU_SPECIFIC_OPTIONS
 	select MRC_SETTINGS_PROTECT
 	select PARALLEL_MP_AP_WORK
 	select MICROCODE_BLOB_UNDISCLOSED
-	select PLATFORM_USES_FSP2_2
+	select PLATFORM_USES_FSP2_2 if !SOC_INTEL_ALDERLAKE_PCH_S
+	select PLATFORM_USES_FSP2_3 if SOC_INTEL_ALDERLAKE_PCH_S
 	select PMC_GLOBAL_RESET_ENABLE_LOCK
 	select SOC_INTEL_COMMON
 	select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE