diff --git a/src/compat.h b/src/compat.h
index 4b1511925..0ad885dba 100644
--- a/src/compat.h
+++ b/src/compat.h
@@ -1,93 +1,93 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef BITCOIN_COMPAT_H
 #define BITCOIN_COMPAT_H
 
 #if defined(HAVE_CONFIG_H)
 #include <config/bitcoin-config.h>
 #endif
 
 #ifdef WIN32
 #ifdef _WIN32_WINNT
 #undef _WIN32_WINNT
 #endif
 #define _WIN32_WINNT 0x0501
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN 1
 #endif
 #ifndef NOMINMAX
 #define NOMINMAX
 #endif
 #ifdef FD_SETSIZE
 #undef FD_SETSIZE // prevent redefinition compiler warning
 #endif
 #define FD_SETSIZE 1024 // max number of fds in fd_set
 
 #include <winsock2.h> // Must be included before mswsock.h and windows.h
 
 #include <mswsock.h>
 #include <windows.h>
 #include <ws2tcpip.h>
 #else
 #include <arpa/inet.h>
 #include <climits>
 #include <ifaddrs.h>
 #include <net/if.h>
 #include <netdb.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <sys/fcntl.h>
 #include <sys/mman.h>
 #include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
 #endif
 
 #ifndef WIN32
 typedef unsigned int SOCKET;
-#include <errno.h>
+#include <cerrno>
 #define WSAGetLastError() errno
 #define WSAEINVAL EINVAL
 #define WSAEALREADY EALREADY
 #define WSAEWOULDBLOCK EWOULDBLOCK
 #define WSAEMSGSIZE EMSGSIZE
 #define WSAEINTR EINTR
 #define WSAEINPROGRESS EINPROGRESS
 #define WSAEADDRINUSE EADDRINUSE
 #define WSAENOTSOCK EBADF
 #define INVALID_SOCKET (SOCKET)(~0)
 #define SOCKET_ERROR -1
 #endif
 
 #ifdef WIN32
 #ifndef S_IRUSR
 #define S_IRUSR 0400
 #define S_IWUSR 0200
 #endif
 #else
 #define MAX_PATH 1024
 #endif
 
 #if HAVE_DECL_STRNLEN == 0
 size_t strnlen(const char *start, size_t max_len);
 #endif // HAVE_DECL_STRNLEN
 
 #ifndef WIN32
 typedef void *sockopt_arg_type;
 #else
 typedef char *sockopt_arg_type;
 #endif
 
 static bool inline IsSelectableSocket(const SOCKET &s) {
 #ifdef WIN32
     return true;
 #else
     return (s < FD_SETSIZE);
 #endif
 }
 
 #endif // BITCOIN_COMPAT_H