diff --git a/src/fileio.cpp b/src/fileio.cpp
index 3d2e6dc11a..2a5c042c22 100644
--- a/src/fileio.cpp
+++ b/src/fileio.cpp
@@ -360,6 +360,15 @@ void FioCreateDirectory(const std::string &name)
 #endif
 }
 
+void FioRenameFile(const std::string &oldname, const std::string &newname)
+{
+#if defined(_WIN32)
+	_wrename(OTTD2FS(oldname).c_str(), OTTD2FS(newname).c_str());
+#else
+	rename(oldname.c_str(), newname.c_str());
+#endif
+}
+
 /**
  * Appends, if necessary, the path separator character to the end of the string.
  * It does not add the path separator to zero-sized strings.
diff --git a/src/fileio_func.h b/src/fileio_func.h
index 9684650dcf..add5d43200 100644
--- a/src/fileio_func.h
+++ b/src/fileio_func.h
@@ -22,6 +22,7 @@ std::string FioFindFullPath(Subdirectory subdir, const std::string &filename);
 std::string FioGetDirectory(Searchpath sp, Subdirectory subdir);
 std::string FioFindDirectory(Subdirectory subdir);
 void FioCreateDirectory(const std::string &name);
+void FioRenameFile(const std::string &oldname, const std::string &newname);
 
 const char *FiosGetScreenshotDir();
 
diff --git a/src/sl/saveload.cpp b/src/sl/saveload.cpp
index ddd674ac05..aaa9f153b3 100644
--- a/src/sl/saveload.cpp
+++ b/src/sl/saveload.cpp
@@ -3735,7 +3735,7 @@ void DoAutoOrNetsave(FiosNumberedSaveName &counter, bool threaded, FiosNumberedS
 			std::string lt_path = lt_counter->FilenameUsingMaxSaves(_settings_client.gui.max_num_lt_autosaves);
 			DEBUG(sl, 2, "Renaming autosave '%s' to long-term file '%s'", buf, lt_path.c_str());
 			std::string dir = FioFindDirectory(AUTOSAVE_DIR);
-			rename((dir + buf).c_str(), (dir + lt_path).c_str());
+			FioRenameFile(dir + buf, dir + lt_path);
 		}
 	}
 
diff --git a/src/stdafx.h b/src/stdafx.h
index e859993ce2..6d96d82c51 100644
--- a/src/stdafx.h
+++ b/src/stdafx.h
@@ -220,7 +220,6 @@
 
 #		define fopen(file, mode) _wfopen(OTTD2FS(file).c_str(), _T(mode))
 #		define unlink(file) _wunlink(OTTD2FS(file).c_str())
-#		define rename(oldname, newname) _wrename(OTTD2FS(oldname).c_str(), OTTD2FS(newname).c_str())
 
 		std::string FS2OTTD(const std::wstring &name);
 		std::wstring OTTD2FS(const std::string &name);