diff --git a/drivers/input/touchscreen/fujitsu_ts.c b/drivers/input/touchscreen/fujitsu_ts.c
index 1a3e14ea2e08..cef2e93c17bc 100644
--- a/drivers/input/touchscreen/fujitsu_ts.c
+++ b/drivers/input/touchscreen/fujitsu_ts.c
@@ -108,8 +108,7 @@ static int fujitsu_connect(struct serio *serio, struct serio_driver *drv)
 
 	fujitsu->serio = serio;
 	fujitsu->dev = input_dev;
-	snprintf(fujitsu->phys, sizeof(fujitsu->phys),
-		 "%s/input0", serio->phys);
+	scnprintf(fujitsu->phys, sizeof(fujitsu->phys), "%s/input0", serio->phys);
 
 	input_dev->name = "Fujitsu Serial Touchscreen";
 	input_dev->phys = fujitsu->phys;