diff --git a/openbsc/src/utils/rs232.c b/openbsc/src/utils/rs232.c
index 5c20531..43b0dc4 100644
--- a/openbsc/src/utils/rs232.c
+++ b/openbsc/src/utils/rs232.c
@@ -57,7 +57,7 @@
 int _abis_nm_sendmsg(struct msgb *msg, int to_trx_oml)
 {
 	struct serial_handle *sh = ser_handle;
-	u_int8_t *lapd;
+	uint8_t *lapd;
 	unsigned int len;
 
 	msg->l2h = msg->data;