diff --git a/src/httpfetch.cpp b/src/httpfetch.cpp
index 599507562..2eca363d7 100644
--- a/src/httpfetch.cpp
+++ b/src/httpfetch.cpp
@@ -18,16 +18,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "socket.h" // for select()
-#include "porting.h" // for sleep_ms()
+#include "porting.h" // for sleep_ms(), get_sysinfo()
 #include "httpfetch.h"
 #include <iostream>
 #include <sstream>
 #include <list>
 #include <map>
 #include <errno.h>
-#ifndef _WIN32
-#include <sys/utsname.h>
-#endif
 #include "jthread/jevent.h"
 #include "config.h"
 #include "exceptions.h"
@@ -50,15 +47,7 @@ HTTPFetchRequest::HTTPFetchRequest()
 	timeout = g_settings->getS32("curl_timeout");
 	connect_timeout = timeout * 5;
 	
-	useragent = std::string("Minetest/") + minetest_version_hash + " ";
-#ifdef _WIN32
-	useragent += "(Windows)";
-#else
-	struct utsname osinfo;
-	uname(&osinfo);
-	useragent += std::string("(") + osinfo.sysname + "/"
-			+ osinfo.release + " " + osinfo.machine + ")";
-#endif
+	useragent = std::string("Minetest/") + minetest_version_hash + " (" + porting::get_sysinfo() + ")";
 }
 
 
diff --git a/src/porting.cpp b/src/porting.cpp
index a080a44e5..b0a1843eb 100644
--- a/src/porting.cpp
+++ b/src/porting.cpp
@@ -23,15 +23,18 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	See comments in porting.h
 */
 
-#if defined(linux)
-	#include <unistd.h>
-#elif defined(__APPLE__)
-	#include <unistd.h>
+#if defined(__APPLE__)
 	#include <mach-o/dyld.h>
+	#include "CoreFoundation/CoreFoundation.h"
 #elif defined(__FreeBSD__)
-	#include <unistd.h>
 	#include <sys/types.h>
 	#include <sys/sysctl.h>
+#elif defined(_WIN32)
+	#include <algorithm>
+#endif
+#if !defined(_WIN32)
+	#include <unistd.h>
+	#include <sys/utsname.h>
 #endif
 
 #include "porting.h"
@@ -42,10 +45,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/string.h"
 #include <list>
 
-#ifdef __APPLE__
-	#include "CoreFoundation/CoreFoundation.h"
-#endif
-
 namespace porting
 {
 
@@ -284,6 +283,42 @@ bool detectMSVCBuildDir(char *c_path)
 	return (removeStringEnd(path, ends) != "");
 }
 
+std::string get_sysinfo()
+{
+#ifdef _WIN32
+	OSVERSIONINFO osvi;
+	std::ostringstream oss;
+	std::string tmp;
+	ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
+	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+	GetVersionEx(&osvi);
+	tmp = osvi.szCSDVersion;
+	std::replace(tmp.begin(), tmp.end(), ' ', '_');
+
+	oss << "Windows/" << osvi.dwMajorVersion << "."
+		<< osvi.dwMinorVersion;
+	if(osvi.szCSDVersion[0])
+		oss << "-" << tmp;
+	oss << " ";
+	#ifdef _WIN64
+	oss << "x86_64";
+	#else
+	BOOL is64 = FALSE;
+	if(IsWow64Process(GetCurrentProcess(), &is64) && is64)
+		oss << "x86_64"; // 32-bit app on 64-bit OS
+	else
+		oss << "x86";
+	#endif
+
+	return oss.str();
+#else
+	struct utsname osinfo;
+	uname(&osinfo);
+	return std::string(osinfo.sysname) + "/"
+		+ osinfo.release + " " + osinfo.machine;
+#endif
+}
+
 void initializePaths()
 {
 #if RUN_IN_PLACE
diff --git a/src/porting.h b/src/porting.h
index ea7f31b13..7cd4cf031 100644
--- a/src/porting.h
+++ b/src/porting.h
@@ -148,6 +148,12 @@ bool threadBindToProcessor(threadid_t tid, int pnumber);
 */
 bool threadSetPriority(threadid_t tid, int prio);
 
+/*
+	Return system information
+	e.g. "Linux/3.12.7 x86_64"
+*/
+std::string get_sysinfo();
+
 /*
 	Resolution is 10-20ms.
 	Remember to check for overflows.