diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 56fae34721146839ee7cbd608f6f821d0fc5518e..704558d449a296b9efb713ea371f1c02354b2947 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -177,6 +177,7 @@ static const char * const smbus_pnp_ids[] = {
 	"LEN0096", /* X280 */
 	"LEN0097", /* X280 -> ALPS trackpoint */
 	"LEN009b", /* T580 */
+	"LEN0402", /* X1 Extreme 2nd Generation */
 	"LEN200f", /* T450s */
 	"LEN2054", /* E480 */
 	"LEN2055", /* E580 */