diff --git a/setup.py b/setup.py
index 88055b6..7408b16 100644
--- a/setup.py
+++ b/setup.py
@@ -98,6 +98,8 @@ def get_version():
             if '-' in result:  # not a tagged version
                 real_number, commit_count, commit_hash = result.split('-', 2)
                 version = '%s.post%s+%s' % (real_number, commit_count, commit_hash)
+            elif result.endswith('.dirty'):
+                version = result[:-6] + '+dirty'
             else:
                 version = result
             return version