| diff --git a/setup.py b/setup.py |
| index e03876a..f5ec2ac 100644 |
| --- a/setup.py |
| +++ b/setup.py |
| @@ -461,7 +461,7 @@ if parser.has_option('build_ext', 'mx_include_dir'): |
| mxincludedir = parser.get('build_ext', 'mx_include_dir') |
| else: |
| mxincludedir = os.path.join(get_python_inc(plat_specific=1), "mx") |
| -if os.path.exists(mxincludedir): |
| +if not use_pydatetime and os.path.exists(mxincludedir): |
| # Build the support for mx: we will check at runtime if it can be imported |
| include_dirs.append(mxincludedir) |
| define_macros.append(('HAVE_MXDATETIME', '1')) |
