diff --git a/openbsc/include/sccp/sccp.h b/openbsc/include/sccp/sccp.h
index 84ae914..e399b2f 100644
--- a/openbsc/include/sccp/sccp.h
+++ b/openbsc/include/sccp/sccp.h
@@ -47,12 +47,12 @@
 
 struct sockaddr_sccp {
 	sa_family_t	sccp_family;		/* AF_SCCP in the future??? */
-	u_int8_t	sccp_ssn;		/* subssystem number for routing */
+	uint8_t	sccp_ssn;		/* subssystem number for routing */
 
 	/* TODO fill in address indicator... if that is ever needed */
 
 	/* not sure about these */
-	/* u_int8_t    sccp_class; */
+	/* uint8_t    sccp_class; */
 };
 
 /*
@@ -60,13 +60,13 @@
  */
 struct sccp_address {
 	struct sccp_called_party_address    address;
-	u_int8_t			    ssn;
-	u_int8_t			    poi[2];
+	uint8_t			    ssn;
+	uint8_t			    poi[2];
 };
 
 struct sccp_optional_data {
-	u_int8_t			    data_len;
-	u_int8_t			    data_start;
+	uint8_t			    data_len;
+	uint8_t			    data_start;
 };
 
 struct sccp_connection {