diff --git a/main.py b/main.py
index 531400c5..54817776 100755
--- a/main.py
+++ b/main.py
@@ -317,7 +317,7 @@ def _UserAgent():
     _user_agent = 'git-repo/%s (%s) git/%s Python/%d.%d.%d' % (
       repo_version,
       os_name,
-      '.'.join(map(str, git.version_tuple())),
+      git.version_tuple().full,
       py_version[0], py_version[1], py_version[2])
   return _user_agent