diff --git a/src/mainboard/google/brya/variants/pujjolo/overridetree.cb b/src/mainboard/google/brya/variants/pujjolo/overridetree.cb
index 5a42d3fcef..6eb057b30d 100644
--- a/src/mainboard/google/brya/variants/pujjolo/overridetree.cb
+++ b/src/mainboard/google/brya/variants/pujjolo/overridetree.cb
@@ -11,6 +11,9 @@ fw_config
 end
 chip soc/intel/alderlake
 
+	# S0ix enable
+	register "s0ix_enable" = "true"
+
 	# Acoustic settings
 	register "acoustic_noise_mitigation" = "1"
 	register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_8"