diff --git a/aider/main.py b/aider/main.py
index 1ef078eb0..e925d6bbc 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -31,7 +31,7 @@ def get_git_root():
     try:
         repo = git.Repo(search_parent_directories=True)
         return repo.working_tree_dir
-    except git.InvalidGitRepositoryError:
+    except (git.InvalidGitRepositoryError, FileNotFoundError):
         return None