diff --git a/src/filesys.cpp b/src/filesys.cpp
index 8aa10ba5..99a0a6ef 100644
--- a/src/filesys.cpp
+++ b/src/filesys.cpp
@@ -279,7 +279,7 @@ bool RecursiveDeleteContent(std::string path)
 	{
 		if(trim(list[i].name) == "." || trim(list[i].name) == "..")
 			continue;
-		std::string childpath = path + "/" + list[i].name;
+		std::string childpath = path + DIR_DELIM + list[i].name;
 		bool r = RecursiveDelete(childpath);
 		if(r == false)
 		{
@@ -299,7 +299,7 @@ bool CreateAllDirs(std::string path)
 	while(!PathExists(basepath))
 	{
 		tocreate.push_back(basepath);
-		pos = basepath.rfind('/');
+		pos = basepath.rfind(DIR_DELIM_C);
 		if(pos == std::string::npos)
 			return false;
 		basepath = basepath.substr(0,pos);
diff --git a/src/filesys.h b/src/filesys.h
index b74b34f3..8bf43c3f 100644
--- a/src/filesys.h
+++ b/src/filesys.h
@@ -24,6 +24,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <vector>
 #include "exceptions.h"
 
+#ifdef _WIN32 // WINDOWS
+#define DIR_DELIM "\\"
+#define DIR_DELIM_C '\\'
+#else // POSIX
+#define DIR_DELIM "/"
+#define DIR_DELIM_C '/'
+#endif
+
 namespace fs
 {
 
diff --git a/src/game.cpp b/src/game.cpp
index 414a3775..c415db1e 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -42,6 +42,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "mainmenumanager.h"
 #include "gettext.h"
 #include "log.h"
+#include "filesys.h"
 
 /*
 	TODO: Move content-aware stuff to separate file by adding properties
@@ -1281,7 +1282,7 @@ void the_game(
 			irr::video::IImage* const image = driver->createScreenShot(); 
 			if (image) { 
 				irr::c8 filename[256]; 
-				snprintf(filename, 256, "%s/screenshot_%u.png", 
+				snprintf(filename, 256, "%s" DIR_DELIM "screenshot_%u.png", 
 						 g_settings->get("screenshot_path").c_str(),
 						 device->getTimer()->getRealTime()); 
 				if (driver->writeImageToFile(image, filename)) {
diff --git a/src/main.cpp b/src/main.cpp
index 02cae031..80daf744 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1186,13 +1186,13 @@ int main(int argc, char *argv[])
 	// Create user data directory
 	fs::CreateDir(porting::path_userdata);
 
-	init_gettext((porting::path_data+"/../locale").c_str());
+	init_gettext((porting::path_data+DIR_DELIM+".."+DIR_DELIM+"locale").c_str());
 	
 	// Initialize debug streams
 #ifdef RUN_IN_PLACE
 	std::string debugfile = DEBUGFILE;
 #else
-	std::string debugfile = porting::path_userdata+"/"+DEBUGFILE;
+	std::string debugfile = porting::path_userdata+DIR_DELIM+DEBUGFILE;
 #endif
 	debugstreams_init(disable_stderr, debugfile.c_str());
 	// Initialize debug stacks
@@ -1244,9 +1244,11 @@ int main(int argc, char *argv[])
 	else
 	{
 		core::array<std::string> filenames;
-		filenames.push_back(porting::path_userdata + "/minetest.conf");
+		filenames.push_back(porting::path_userdata +
+				DIR_DELIM + "minetest.conf");
 #ifdef RUN_IN_PLACE
-		filenames.push_back(porting::path_userdata + "/../minetest.conf");
+		filenames.push_back(porting::path_userdata +
+				DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 #endif
 
 		for(u32 i=0; i<filenames.size(); i++)
@@ -1308,7 +1310,7 @@ int main(int argc, char *argv[])
 		port = 30000;
 	
 	// Map directory
-	std::string map_dir = porting::path_userdata+"/world";
+	std::string map_dir = porting::path_userdata+DIR_DELIM+"world";
 	if(cmd_args.exists("map-dir"))
 		map_dir = cmd_args.get("map-dir");
 	else if(g_settings->exists("map-dir"))
diff --git a/src/map.cpp b/src/map.cpp
index 4c79c0ac..2d661a52 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -2820,7 +2820,7 @@ void ServerMap::verifyDatabase() {
 		return;
 	
 	{
-		std::string dbp = m_savedir + "/map.sqlite";
+		std::string dbp = m_savedir + DIR_DELIM + "map.sqlite";
 		bool needs_create = false;
 		int d;
 		
@@ -2859,7 +2859,7 @@ void ServerMap::verifyDatabase() {
 }
 
 bool ServerMap::loadFromFolders() {
-	if(!m_database && !fs::PathExists(m_savedir + "/map.sqlite"))
+	if(!m_database && !fs::PathExists(m_savedir + DIR_DELIM + "map.sqlite"))
 		return true;
 	return false;
 }
@@ -2889,13 +2889,13 @@ std::string ServerMap::getSectorDir(v2s16 pos, int layout)
 				(unsigned int)pos.X&0xffff,
 				(unsigned int)pos.Y&0xffff);
 
-			return m_savedir + "/sectors/" + cc;
+			return m_savedir + DIR_DELIM + "sectors" + DIR_DELIM + cc;
 		case 2:
-			snprintf(cc, 9, "%.3x/%.3x",
+			snprintf(cc, 9, "%.3x" DIR_DELIM "%.3x",
 				(unsigned int)pos.X&0xfff,
 				(unsigned int)pos.Y&0xfff);
 
-			return m_savedir + "/sectors2/" + cc;
+			return m_savedir + DIR_DELIM + "sectors2" + DIR_DELIM + cc;
 		default:
 			assert(false);
 	}
@@ -2905,7 +2905,7 @@ v2s16 ServerMap::getSectorPos(std::string dirname)
 {
 	unsigned int x, y;
 	int r;
-	size_t spos = dirname.rfind('/') + 1;
+	size_t spos = dirname.rfind(DIR_DELIM_C) + 1;
 	assert(spos != std::string::npos);
 	if(dirname.size() - spos == 8)
 	{
@@ -2915,7 +2915,7 @@ v2s16 ServerMap::getSectorPos(std::string dirname)
 	else if(dirname.size() - spos == 3)
 	{
 		// New layout
-		r = sscanf(dirname.substr(spos-4).c_str(), "%3x/%3x", &x, &y);
+		r = sscanf(dirname.substr(spos-4).c_str(), "%3x" DIR_DELIM "%3x", &x, &y);
 		// Sign-extend the 12 bit values up to 16 bits...
 		if(x&0x800) x|=0xF000;
 		if(y&0x800) y|=0xF000;
@@ -3036,7 +3036,7 @@ void ServerMap::saveMapMeta()
 
 	createDirs(m_savedir);
 	
-	std::string fullpath = m_savedir + "/map_meta.txt";
+	std::string fullpath = m_savedir + DIR_DELIM + "map_meta.txt";
 	std::ofstream os(fullpath.c_str(), std::ios_base::binary);
 	if(os.good() == false)
 	{
@@ -3062,7 +3062,7 @@ void ServerMap::loadMapMeta()
 	infostream<<"ServerMap::loadMapMeta(): Loading map metadata"
 			<<std::endl;
 
-	std::string fullpath = m_savedir + "/map_meta.txt";
+	std::string fullpath = m_savedir + DIR_DELIM + "map_meta.txt";
 	std::ifstream is(fullpath.c_str(), std::ios_base::binary);
 	if(is.good() == false)
 	{
@@ -3101,7 +3101,7 @@ void ServerMap::saveSectorMeta(ServerMapSector *sector)
 	std::string dir = getSectorDir(pos);
 	createDirs(dir);
 	
-	std::string fullpath = dir + "/meta";
+	std::string fullpath = dir + DIR_DELIM + "meta";
 	std::ofstream o(fullpath.c_str(), std::ios_base::binary);
 	if(o.good() == false)
 		throw FileNotGoodException("Cannot open sector metafile");
@@ -3119,7 +3119,7 @@ MapSector* ServerMap::loadSectorMeta(std::string sectordir, bool save_after_load
 
 	ServerMapSector *sector = NULL;
 
-	std::string fullpath = sectordir + "/meta";
+	std::string fullpath = sectordir + DIR_DELIM + "meta";
 	std::ifstream is(fullpath.c_str(), std::ios_base::binary);
 	if(is.good() == false)
 	{
@@ -3305,7 +3305,7 @@ void ServerMap::saveBlock(MapBlock *block)
 
 	createDirs(sectordir);
 
-	std::string fullpath = sectordir+"/"+getBlockFilename(p3d);
+	std::string fullpath = sectordir+DIR_DELIM+getBlockFilename(p3d);
 	std::ofstream o(fullpath.c_str(), std::ios_base::binary);
 	if(o.good() == false)
 		throw FileNotGoodException("Cannot open block data");
@@ -3351,7 +3351,7 @@ void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSecto
 {
 	DSTACK(__FUNCTION_NAME);
 
-	std::string fullpath = sectordir+"/"+blockfile;
+	std::string fullpath = sectordir+DIR_DELIM+blockfile;
 	try{
 
 		std::ifstream is(fullpath.c_str(), std::ios_base::binary);
@@ -3577,7 +3577,7 @@ MapBlock* ServerMap::loadBlock(v3s16 blockpos)
 	*/
 
 	std::string blockfilename = getBlockFilename(blockpos);
-	if(fs::PathExists(sectordir+"/"+blockfilename) == false)
+	if(fs::PathExists(sectordir+DIR_DELIM+blockfilename) == false)
 		return NULL;
 
 	/*
diff --git a/src/porting.cpp b/src/porting.cpp
index 39b2c570..217f0926 100644
--- a/src/porting.cpp
+++ b/src/porting.cpp
@@ -87,8 +87,8 @@ void signal_handler_init(void)
 	Path mangler
 */
 
-std::string path_data = "../data";
-std::string path_userdata = "../";
+std::string path_data = ".." DIR_DELIM "data";
+std::string path_userdata = "..";
 
 void pathRemoveFile(char *path, char delim)
 {
@@ -127,10 +127,10 @@ void initializePaths()
 	pathRemoveFile(buf, '\\');
 
 	// Use "./bin/../data"
-	path_data = std::string(buf) + "/../data";
+	path_data = std::string(buf) + DIR_DELIM ".." DIR_DELIM "data";
 		
 	// Use "./bin/../"
-	path_userdata = std::string(buf) + "/../";
+	path_userdata = std::string(buf) + DIR_DELIM ".." DIR_DELIM;
 
 	/*
 		Linux
@@ -188,13 +188,13 @@ void initializePaths()
 	pathRemoveFile(buf, '\\');
 	
 	// Use "./bin/../data"
-	path_data = std::string(buf) + "/../data";
+	path_data = std::string(buf) + DIR_DELIM ".." DIR_DELIM "data";
 	//path_data = std::string(buf) + "/../share/" + PROJECT_NAME;
 		
 	// Use "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
 	len = GetEnvironmentVariable("APPDATA", buf, buflen);
 	assert(len < buflen);
-	path_userdata = std::string(buf) + "/" + PROJECT_NAME;
+	path_userdata = std::string(buf) + DIR_DELIM + PROJECT_NAME;
 
 	/*
 		Linux
diff --git a/src/servermain.cpp b/src/servermain.cpp
index 6227901e..f3111c42 100644
--- a/src/servermain.cpp
+++ b/src/servermain.cpp
@@ -175,7 +175,7 @@ int main(int argc, char *argv[])
 #ifdef RUN_IN_PLACE
 	std::string debugfile = DEBUGFILE;
 #else
-	std::string debugfile = porting::path_userdata+"/"+DEBUGFILE;
+	std::string debugfile = porting::path_userdata+DIR_DELIM+DEBUGFILE;
 #endif
 	debugstreams_init(disable_stderr, debugfile.c_str());
 	// Initialize debug stacks
@@ -279,9 +279,11 @@ int main(int argc, char *argv[])
 	else
 	{
 		core::array<std::string> filenames;
-		filenames.push_back(porting::path_userdata + "/minetest.conf");
+		filenames.push_back(porting::path_userdata +
+				DIR_DELIM + "minetest.conf");
 #ifdef RUN_IN_PLACE
-		filenames.push_back(porting::path_userdata + "/../minetest.conf");
+		filenames.push_back(porting::path_userdata +
+				DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 #endif
 
 		for(u32 i=0; i<filenames.size(); i++)
@@ -347,7 +349,7 @@ int main(int argc, char *argv[])
 	}
 	
 	// Figure out path to map
-	std::string map_dir = porting::path_userdata+"/world";
+	std::string map_dir = porting::path_userdata+DIR_DELIM+"world";
 	if(cmd_args.exists("map-dir"))
 		map_dir = cmd_args.get("map-dir");
 	else if(g_settings->exists("map-dir"))
diff --git a/src/tile.cpp b/src/tile.cpp
index 3fa36354..4e441329 100644
--- a/src/tile.cpp
+++ b/src/tile.cpp
@@ -118,7 +118,7 @@ std::string getTexturePath(const std::string &filename)
 	std::string texture_path = g_settings->get("texture_path");
 	if(texture_path != "")
 	{
-		std::string testpath = texture_path + '/' + filename;
+		std::string testpath = texture_path + DIR_DELIM + filename;
 		// Check all filename extensions. Returns "" if not found.
 		fullpath = getImagePath(testpath);
 	}