diff --git a/builders/windows-builder.py b/builders/windows-builder.py
index a3c91bb..0e99fcd 100644
--- a/builders/windows-builder.py
+++ b/builders/windows-builder.py
@@ -382,7 +382,7 @@ class WindowsBuilder(Builder):
             copy(os.path.join(self.mutool_exe), os.path.join(self.dist_path, 'mutool.exe'))
         else:
             self._print('... WARNING: mutool.exe not found')
-        vlc_path = os.path.join('C:', 'Program Files', 'VideoLAN', 'VLC')
+        vlc_path = os.path.join('C:\\', 'Program Files', 'VideoLAN', 'VLC')
         for fname in ['libvlc.dll', 'libvlccore.dll']:
             self._print_verbose('... {}'.format(fname))
             copy(os.path.join(vlc_path, fname), os.path.join(self.dist_path, fname))