--- net/socket/socks5_client_socket.h
+++ net/socket/socks5_client_socket.h
@@ -53,7 +53,7 @@ class SOCKS5ClientSocket : public ClientSocket {
   virtual bool SetReceiveBufferSize(int32 size);
   virtual bool SetSendBufferSize(int32 size);
 
-#if defined(OS_LINUX)
+#if defined(OS_NIX)
   virtual int GetPeerName(struct sockaddr* name, socklen_t* namelen);
 #endif
 
diff --git net/socket/socks5_client_socket_unittest.cc net/socket/socks5_client_socket_unittest.cc
index d79bd02..d39d00d 100644