diff --git a/Source/script.cpp b/Source/script.cpp
index 609e2d1f..75cd2756 100644
--- a/Source/script.cpp
+++ b/Source/script.cpp
@@ -5673,7 +5673,7 @@ int CEXEBuild::do_add_file(const char *lgss, int attrib, int recurse, int *total
       if (basedir == "") {
         new_dir = *dirs_itr;
       } else {
-        new_dir = basedir + PLATFORM_PATH_SEPARATOR_STR + *dirs_itr;
+        new_dir = basedir + '\\' + *dirs_itr;
       }
 
       string new_spec = dir + PLATFORM_PATH_SEPARATOR_STR + *dirs_itr + PLATFORM_PATH_SEPARATOR_STR;
@@ -5938,14 +5938,6 @@ int CEXEBuild::do_add_file_create_dir(const string& local_dir, const string& dir
     pos = outdir_s.find('$', pos + 2);
   }
 
-#ifndef _WIN32
-  pos = outdir_s.find('/');
-  while (pos != string::npos) {
-    outdir_s[pos] = '\\';
-    pos = outdir_s.find('/');
-  }
-#endif
-
   int outdir = add_string(outdir_s.c_str());
 
   if (add_entry_direct(EW_CREATEDIR, outdir, 1) != PS_OK) {