diff --git a/cibuildwheel/macos.py b/cibuildwheel/macos.py
index b5c39961..6829e835 100644
--- a/cibuildwheel/macos.py
+++ b/cibuildwheel/macos.py
@@ -45,16 +45,16 @@ def build(project_dir, package_name, output_dir, test_command, test_requires, be
 
         # if this version of python isn't installed, get it from python.org and install
         python_package_identifier = 'org.python.Python.PythonFramework-%s' % config.version
+        installation_bin_path = '/Library/Frameworks/Python.framework/Versions/{}/bin'.format(config.version)
         if python_package_identifier not in installed_system_packages:
             # download the pkg
             call(['curl', '-L', '-o', '/tmp/Python.pkg', config.url])
             # install
             call(['sudo', 'installer', '-pkg', '/tmp/Python.pkg', '-target', '/'])
 
-        installation_bin_path = '/Library/Frameworks/Python.framework/Versions/{}/bin'.format(config.version)
-        if config.version[0] == '3':
-        	os.symlink(os.path.join(installation_bin_path, 'python3'), os.path.join(installation_bin_path, 'python'))
-        	os.symlink(os.path.join(installation_bin_path, 'pip3'), os.path.join(installation_bin_path, 'pip'))
+            if config.version[0] == '3':
+                os.symlink(os.path.join(installation_bin_path, 'python3'), os.path.join(installation_bin_path, 'python'))
+                os.symlink(os.path.join(installation_bin_path, 'pip3'), os.path.join(installation_bin_path, 'pip'))
 
         env = os.environ.copy()
         env['PATH'] = os.pathsep.join([