diff --git a/setup.py b/setup.py
index a1367c397..d601d4ad8 100644
--- a/setup.py
+++ b/setup.py
@@ -5,75 +5,76 @@ Windows executable: python setup.py build
 Windows executable + installer: python setup.py bdist_msi
 """
 
-import sys
-
-from cx_Freeze import setup, Executable
-
-import config
-
-
-app_name = 'pyfa'
-app_version = '{}'.format(config.version)
-app_description = 'Python fitting assistant'
-
-
 packages = ['eos', 'gui', 'service', 'utils']
 include_files = ['icons', 'staticdata', 'gpl.txt']
 includes = []
-excludes = ['Tkinter']
+#  collection.abc due to bug:
+#  https://bitbucket.org/anthony_tuininga/cx_freeze/issues/127/collectionssys-error
+excludes = ['Tkinter', 'collections.abc']
 
 
-# Windows-specific options
-build_options_winexe = {
-    'packages': packages,
-    'include_files': include_files,
-    'includes': includes,
-    'excludes': excludes,
-    'compressed': True,
-    'optimize': 2,
-    'include_msvcr': True,
-}
-
-build_options_winmsi = {
-    'upgrade_code': '{E80885AC-31BA-4D9A-A04F-9E5915608A6C}',
-    'add_to_path': False,
-    'initial_target_dir': r'[ProgramFilesFolder]\{}'.format(app_name),
-}
 
 
-# Mac-specific options (untested)
-build_options_macapp = {
-    'iconfile': 'dist_assets/mac/pyfa.icns',
-    'bundle_name': app_name,
-}
-
-build_options_macdmg = {
-    'volume_label': app_name,
-    'applications-shortcut': True,
-}
+if __name__ == "__main__":
+    import sys
+    from cx_Freeze import setup, Executable
+    import config
 
 
-# Generic executable options
-executable_options = {
-    'script': 'pyfa.py',
-    # Following are windows-specific options, they are stored
-    # on a per-executable basis
-    'base': 'Win32GUI' if sys.platform=='win32' else None,
-    'icon': 'dist_assets/win/pyfa.ico',
-    'shortcutDir': 'DesktopFolder',
-    'shortcutName': app_name,
-}
+    app_name = 'pyfa'
+    app_version = '{}'.format(config.version)
+    app_description = 'Python fitting assistant'
+
+    # Windows-specific options
+    build_options_winexe = {
+        'packages': packages,
+        'include_files': include_files,
+        'includes': includes,
+        'excludes': excludes,
+        'compressed': True,
+        'optimize': 2,
+        'include_msvcr': True,
+    }
+
+    build_options_winmsi = {
+        'upgrade_code': '{E80885AC-31BA-4D9A-A04F-9E5915608A6C}',
+        'add_to_path': False,
+        'initial_target_dir': r'[ProgramFilesFolder]\{}'.format(app_name),
+    }
 
 
-setup(
-    name=app_name,
-    version=app_version,
-    description=app_description,
-    options = {
-        'build_exe': build_options_winexe,
-        'bdist_msi': build_options_winmsi,
-        'bdist_mac': build_options_macapp,
-        'bdist_dmg': build_options_macdmg,
-    },
-    executables=[Executable(**executable_options)]
-)
+    # Mac-specific options (untested)
+    build_options_macapp = {
+        'iconfile': 'dist_assets/mac/pyfa.icns',
+        'bundle_name': app_name,
+    }
+
+    build_options_macdmg = {
+        'volume_label': app_name,
+        'applications-shortcut': True,
+    }
+
+
+    # Generic executable options
+    executable_options = {
+        'script': 'pyfa.py',
+        # Following are windows-specific options, they are stored
+        # on a per-executable basis
+        'base': 'Win32GUI' if sys.platform=='win32' else None,
+        'icon': 'dist_assets/win/pyfa.ico',
+        'shortcutDir': 'DesktopFolder',
+        'shortcutName': app_name,
+    }
+
+    setup(
+        name=app_name,
+        version=app_version,
+        description=app_description,
+        options = {
+            'build_exe': build_options_winexe,
+            'bdist_msi': build_options_winmsi,
+            'bdist_mac': build_options_macapp,
+            'bdist_dmg': build_options_macdmg,
+        },
+        executables=[Executable(**executable_options)]
+    )