diff --git a/drivers/input/input.c b/drivers/input/input.c
index d2e06cc7e179..0f175f55782b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1789,7 +1789,7 @@ struct input_dev *input_allocate_device(void)
 		INIT_LIST_HEAD(&dev->h_list);
 		INIT_LIST_HEAD(&dev->node);
 
-		dev_set_name(&dev->dev, "input%ld",
+		dev_set_name(&dev->dev, "input%lu",
 			     (unsigned long) atomic_inc_return(&input_no) - 1);
 
 		__module_get(THIS_MODULE);