@@ -30,11 +30,11 @@
 
 #ifndef NSPROTO_SPX
 # define NSPROTO_SPX 0
 #endif
 
-#define SPX_PACKET_TYPE 5
+static const uint8_t SPXPacketType = 5;
 
 @interface OFSPXStreamSocket ()
 - (int)of_createSocketForAddress: (const OFSocketAddress *)address
 			   errNo: (int *)errNo;
 - (bool)of_connectSocketToAddress: (const OFSocketAddress *)address
@@ -326,11 +326,11 @@
 
 	if ((_socket = socket(address.sockaddr.sockaddr.sa_family,
 	    SOCK_STREAM | SOCK_CLOEXEC, NSPROTO_SPX)) == OFInvalidSocketHandle)
 		@throw [OFBindFailedException
 		    exceptionWithPort: port
-			   packetType: SPX_PACKET_TYPE
+			   packetType: SPXPacketType
 			       socket: self
 				errNo: OFSocketErrNo()];
 
 	_canBlock = true;
 
@@ -344,11 +344,11 @@
 
 		closesocket(_socket);
 		_socket = OFInvalidSocketHandle;
 
 		@throw [OFBindFailedException exceptionWithPort: port
-						     packetType: SPX_PACKET_TYPE
+						     packetType: SPXPacketType
 							 socket: self
 							  errNo: errNo];
 	}
 
 	memset(&address, 0, sizeof(address));
@@ -361,23 +361,23 @@
 
 		closesocket(_socket);
 		_socket = OFInvalidSocketHandle;
 
 		@throw [OFBindFailedException exceptionWithPort: port
-						     packetType: SPX_PACKET_TYPE
+						     packetType: SPXPacketType
 							 socket: self
 							  errNo: errNo];
 	}
 
 	if (address.sockaddr.sockaddr.sa_family != AF_IPX) {
 		closesocket(_socket);
 		_socket = OFInvalidSocketHandle;
 
 		@throw [OFBindFailedException exceptionWithPort: port
-						     packetType: SPX_PACKET_TYPE
+						     packetType: SPXPacketType
 							 socket: self
 							  errNo: EAFNOSUPPORT];
 	}
 
 	return address;
 }
 @end