diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index 8ec74cf..1967de7 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -81,7 +81,7 @@
 
 /* call-back function for the NS protocol */
 static int sgsn_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,
-		      struct msgb *msg, u_int16_t bvci)
+		      struct msgb *msg, uint16_t bvci)
 {
 	int rc = 0;