diff --git a/src/soc/intel/meteorlake/fsp_params.c b/src/soc/intel/meteorlake/fsp_params.c
index a624025591..ad6db109e4 100644
--- a/src/soc/intel/meteorlake/fsp_params.c
+++ b/src/soc/intel/meteorlake/fsp_params.c
@@ -86,7 +86,9 @@ static const pci_devfn_t uart_dev[] = {
  */
 static int get_l1_substate_control(enum L1_substates_control ctl)
 {
-	if ((ctl > L1_SS_L1_2) || (ctl == L1_SS_FSP_DEFAULT))
+	if (CONFIG(SOC_INTEL_COMPLIANCE_TEST_MODE))
+		ctl = L1_SS_DISABLED;
+	else if ((ctl > L1_SS_L1_2) || (ctl == L1_SS_FSP_DEFAULT))
 		ctl = L1_SS_L1_2;
 	return ctl - 1;
 }