diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 87c6a10381f2..26ba82fb60b6 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1397,7 +1397,8 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data, struct mxt_cfg *cfg)
 {
 	struct device *dev = &data->client->dev;
 	struct mxt_object *object;
-	unsigned int type, instance, size, byte_offset;
+	unsigned int type, instance, size;
+	int byte_offset;
 	int offset;
 	int ret;
 	int i;