diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index 31277fb5ac..016d8ad3ab 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -948,6 +948,9 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg,
 	s_cfg->PsOnEnable = 1;
 	s_cfg->PkgCStateLimit = LIMIT_AUTO;
 
+	/* Disable Energy Efficient Turbo mode */
+	s_cfg->EnergyEfficientTurbo = 0;
+
 	/* VccIn Aux Imon IccMax. Values are in 1/4 Amp increments and range is 0-512. */
 	s_cfg->VccInAuxImonIccImax = get_vccin_aux_imon_iccmax() * 4 / MILLIAMPS_TO_AMPS;