diff --git a/drivers/input/joystick/stinger.c b/drivers/input/joystick/stinger.c
index 0a9ed1d..011ec48 100644
--- a/drivers/input/joystick/stinger.c
+++ b/drivers/input/joystick/stinger.c
@@ -148,7 +148,7 @@
 		goto fail;
 
 	stinger->dev = input_dev;
-	sprintf(stinger->phys, "%s/serio0", serio->phys);
+	snprintf(stinger->phys, sizeof(stinger->phys), "%s/serio0", serio->phys);
 
 	input_dev->name = "Gravis Stinger";
 	input_dev->phys = stinger->phys;