diff --git a/library/net.c b/library/net.c
index fcfe4d796..85c4e7990 100644
--- a/library/net.c
+++ b/library/net.c
@@ -59,7 +59,7 @@ static int wsa_init_done = 0;
 #include <netdb.h>
 #include <errno.h>
 
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <sys/endian.h>
 #elif defined(__APPLE__)
 #include <machine/endian.h>