diff --git a/obexd/client/bluetooth.c b/obexd/client/bluetooth.c
index be007de..e35124a 100644
--- a/obexd/client/bluetooth.c
+++ b/obexd/client/bluetooth.c
@@ -443,8 +443,8 @@ static int bluetooth_getpacketopt(GIOChannel *io, int *tx_mtu, int *rx_mtu)
 {
 	int sk = g_io_channel_unix_get_fd(io);
 	int type;
-	int omtu = -1;
-	int imtu = -1;
+	uint16_t omtu = BT_TX_MTU;
+	uint16_t imtu = BT_RX_MTU;
 	socklen_t len = sizeof(int);
 
 	DBG("");
diff --git a/obexd/plugins/bluetooth.c b/obexd/plugins/bluetooth.c
index d8b872a..3ee5432 100644
--- a/obexd/plugins/bluetooth.c
+++ b/obexd/plugins/bluetooth.c
@@ -75,8 +75,8 @@ static void connect_event(GIOChannel *io, GError *err, void *user_data)
 	struct bluetooth_profile *profile = user_data;
 	struct obex_server *server = profile->server;
 	int type;
-	int omtu = BT_TX_MTU;
-	int imtu = BT_RX_MTU;
+	uint16_t omtu = BT_TX_MTU;
+	uint16_t imtu = BT_RX_MTU;
 	gboolean stream = TRUE;
 	socklen_t len = sizeof(int);