diff --git a/src/xpdev/netwrap.h b/src/xpdev/netwrap.h
index 5ed25ebdf4c25c47399f87a7f0fdcfb85439c968..c1dffd8f206222cfce41120bdfb5da75a7af0a5a 100644
--- a/src/xpdev/netwrap.h
+++ b/src/xpdev/netwrap.h
@@ -29,6 +29,8 @@
 #if defined(_WIN32)
 	#include <winsock2.h>
 	#include <ws2tcpip.h>	// struct in6_addr
+#else
+	#include <netinet/in.h>
 #endif
 
 #define IPv4_LOCALHOST	0x7f000001U	/* 127.0.0.1 */