Index: src/OFDDPSocket.m
==================================================================
--- src/OFDDPSocket.m
+++ src/OFDDPSocket.m
@@ -44,14 +44,10 @@
 	unsigned short netStart, netEnd;
 	at_nvestr_t zoneName;
 };
 #endif
 
-#ifndef ATPROTO_BASE
-# define ATPROTO_BASE 0
-#endif
-
 @implementation OFDDPSocket
 @dynamic delegate;
 
 - (OFSocketAddress)bindToNetwork: (uint16_t)network
 			    node: (uint8_t)node
@@ -73,17 +69,20 @@
 	if (_socket != OFInvalidSocketHandle)
 		@throw [OFAlreadyConnectedException exceptionWithSocket: self];
 
 	address = OFSocketAddressMakeAppleTalk(network, node, port);
 
-#ifdef OF_MACOS
+#if defined(OF_MACOS)
 	if ((_socket = socket(address.sockaddr.at.sat_family,
 	    SOCK_RAW | SOCK_CLOEXEC, protocolType)) == OFInvalidSocketHandle)
-#else
+#elif defined(OF_WINDOWS)
 	if ((_socket = socket(address.sockaddr.at.sat_family,
 	    SOCK_DGRAM | SOCK_CLOEXEC, ATPROTO_BASE + protocolType)) ==
 	    OFInvalidSocketHandle)
+#else
+	if ((_socket = socket(address.sockaddr.at.sat_family,
+	    SOCK_DGRAM | SOCK_CLOEXEC, 0)) == OFInvalidSocketHandle)
 #endif
 		@throw [OFBindDDPSocketFailedException
 		    exceptionWithNetwork: network
 				    node: node
 				    port: port