diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 31fad641b74417c9d6aabffbdd9f283b4fdf1f68..6039f071fab1370da4a684e801883ef23e9706d4 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -381,7 +381,7 @@ static void mousevsc_on_channel_callback(void *context)
 static int mousevsc_connect_to_vsp(struct hv_device *device)
 {
 	int ret = 0;
-	int t;
+	unsigned long t;
 	struct mousevsc_dev *input_dev = hv_get_drvdata(device);
 	struct mousevsc_prt_msg *request;
 	struct mousevsc_prt_msg *response;