diff --git a/pr_agent/git_providers/local_git_provider.py b/pr_agent/git_providers/local_git_provider.py
index 90b1b194..90d512a1 100644
--- a/pr_agent/git_providers/local_git_provider.py
+++ b/pr_agent/git_providers/local_git_provider.py
@@ -59,7 +59,7 @@ class LocalGitProvider(GitProvider):
                 'Ensure the branch exists.'
             ) from e
 
-    def prepare_repo(self):
+    def _prepare_repo(self):
         """
         Prepare the repository for PR-mimic generation.
         """