--- a/netwerk/sctp/src/usrsctp.h
+++ b/netwerk/sctp/src/usrsctp.h
@@ -85,17 +85,18 @@ extern "C" {
 #endif
 
 typedef uint32_t sctp_assoc_t;
 
 #define AF_CONN 123
 /* The definition of struct sockaddr_conn MUST be in
  * tune with other sockaddr_* structures.
  */
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#if defined(__APPLE__) || defined(__Bitrig__) || defined(__DragonFly__) || \
+    defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
 struct sockaddr_conn {
 	uint8_t sconn_len;
 	uint8_t sconn_family;
 	uint16_t sconn_port;
 	void *sconn_addr;
 };
 #else
 struct sockaddr_conn {