diff --git a/src/soc/intel/elkhartlake/fsp_params.c b/src/soc/intel/elkhartlake/fsp_params.c
index 2f2e7408c4..082acaf7ae 100644
--- a/src/soc/intel/elkhartlake/fsp_params.c
+++ b/src/soc/intel/elkhartlake/fsp_params.c
@@ -505,6 +505,9 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 
 	/* Override/Fill FSP Silicon Param for mainboard */
 	mainboard_silicon_init_params(params);
+
+	/* Runtime configuration of S0ix */
+	config->s0ix_enable = get_uint_option("s0ix_enable", config->s0ix_enable);
 }
 
 /* Mainboard GPIO Configuration */