diff --git a/network_core.h b/network_core.h
index 304f580a84..ef2d89a702 100644
--- a/network_core.h
+++ b/network_core.h
@@ -120,6 +120,7 @@ typedef unsigned long in_addr_t;
 #	if defined(__MORPHOS__)
 #		include <sys/filio.h> 	// FIO* defines
 #		include <sys/sockio.h>  // SIO* defines
+#		include <netinet/in.h>
 #	else // __AMIGA__
 #		include	<proto/socket.h>
 #	endif
@@ -131,6 +132,7 @@ typedef unsigned long in_addr_t;
 #	define ioctl ioctlsocket
 
 	typedef unsigned int in_addr_t;
+	typedef long         socklen_t;
 	extern struct Library *SocketBase;
 
 #	ifdef __AMIGA__
diff --git a/network_udp.c b/network_udp.c
index 6d8d051b86..885ee10455 100644
--- a/network_udp.c
+++ b/network_udp.c
@@ -402,11 +402,7 @@ void NetworkUDPClose(void)
 void NetworkUDPReceive(SOCKET udp)
 {
 	struct sockaddr_in client_addr;
-#ifndef __MORPHOS__
-	int client_len;
-#else
-	LONG client_len; // for some reason we need a 'LONG' under MorphOS
-#endif
+	socklen_t client_len;
 	int nbytes;
 	static Packet *p = NULL;
 	int packet_len;