diff --git a/src/soc/intel/elkhartlake/fsp_params.c b/src/soc/intel/elkhartlake/fsp_params.c
index 7b715f83d9..2f2e7408c4 100644
--- a/src/soc/intel/elkhartlake/fsp_params.c
+++ b/src/soc/intel/elkhartlake/fsp_params.c
@@ -329,7 +329,7 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 		params->PsfTccEnable = 1;
 		params->PmcLpmS0ixSubStateEnableMask = 0;
 		params->PchDmiAspmCtrl = 0;
-		params->PchLegacyIoLowLatency = 0;
+		params->PchLegacyIoLowLatency = 1;
 		params->EnableItbm = 0;
 		params->D3ColdEnable = 0;
 		params->PmcOsIdleEnable = 0;