diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 7db53eab7012..111a71190547 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -175,6 +175,7 @@ static const char * const smbus_pnp_ids[] = {
 	"LEN0071", /* T480 */
 	"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
 	"LEN0073", /* X1 Carbon G5 (Elantech) */
+	"LEN0091", /* X1 Carbon 6 */
 	"LEN0092", /* X1 Carbon 6 */
 	"LEN0093", /* T480 */
 	"LEN0096", /* X280 */