diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 5def7fb903aca80b19d8119ed351a561e1385a86..d640c1e1f8cdc77dac3ac23dd86547a338710b3c 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -388,11 +388,14 @@ static int w1_uevent(struct device *dev, char **envp, int num_envp, char *buffer
 	if (dev->driver != &w1_slave_driver || !sl)
 		return 0;
 
-	err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size, &cur_len, "W1_FID=%02X", sl->reg_num.family);
+	err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size,
+			&cur_len, "W1_FID=%02X", sl->reg_num.family);
 	if (err)
 		return err;
 
-	err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size, &cur_len, "W1_SLAVE_ID=%024LX", (u64)sl->reg_num.id);
+	err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size,
+			&cur_len, "W1_SLAVE_ID=%024LX",
+			(unsigned long long)sl->reg_num.id);
 	if (err)
 		return err;