diff --git a/src/mainboard/google/kahlee/OemCustomize.c b/src/mainboard/google/kahlee/OemCustomize.c
index 6e6992de43..d78f7846e5 100644
--- a/src/mainboard/google/kahlee/OemCustomize.c
+++ b/src/mainboard/google/kahlee/OemCustomize.c
@@ -51,3 +51,8 @@ void OemPostParams(AMD_POST_PARAMS *PostParams)
 	 */
 	PostParams->MemConfig.EnableBankIntlv = FALSE;
 }
+
+void set_board_env_params(GNB_ENV_CONFIGURATION *params)
+{
+	params->EDPv1_4VSMode = EDP_VS_HIGH_VDIFF_MODE;
+}