diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index d4dbca5d91af..00208ffbe2e7 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -734,7 +734,7 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_
 		for (j = 0; j < sop_disc->svids[i].mode_count; j++) {
 			memset(&desc, 0, sizeof(desc));
 			desc.svid = sop_disc->svids[i].svid;
-			desc.mode = j;
+			desc.mode = j + 1;
 			desc.vdo = sop_disc->svids[i].mode_vdo[j];
 
 			if (is_partner)