diff --git a/moult/pip_importer.py b/moult/pip_importer.py
index <HASH>..<HASH> 100644
--- a/moult/pip_importer.py
+++ b/moult/pip_importer.py
@@ -7,21 +7,23 @@ try:
     from pip.utils import (dist_is_local, dist_in_usersite,
                             get_installed_distributions,
                             running_under_virtualenv)
-    from pip.operations.freeze import freeze_excludes as ignore_packages
 except ImportError:
     try:
         # pip >= 1.3
         from pip.util import (dist_is_local, dist_in_usersite,
                                 get_installed_distributions,
                                 running_under_virtualenv)
-        ignore_packages = ('setuptools', 'pip', 'python')
     except ImportError:
         raise MoultCommandError('Could not import pip functions')
 
 
 # More packages that most likely wouldn't be used by other packages.
 # They're listed here in case they weren't installed normally.
-ignore_packages += (
+ignore_packages = (
+    'setuptools',
+    'pip',
+    'python',
+    'distribute',
     'virtualenv',
     'virtualenvwrapper',
     'ipython',
freeze_excludes deprecated in pip

Fixes #1