diff --git a/aider/main.py b/aider/main.py
index 0804befa4..6339a3abf 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -58,13 +58,13 @@ def setup_git_home(io):
                     # Assume it's a new project name
                     project_name = choice
                     new_dir = home / project_name
-                    new_dir.mkdir(exist_ok=True)
+                    new_dir.mkdir(parents=True, exist_ok=True)
                     os.chdir(new_dir)
                     return str(new_dir)
 
     project_name = io.user_input("Enter a name for your new project directory:")
     new_dir = home / project_name
-    new_dir.mkdir(exist_ok=True)
+    new_dir.mkdir(parents=True, exist_ok=True)
     os.chdir(new_dir)
     return str(new_dir)
 
diff --git a/tests/basic/test_main.py b/tests/basic/test_main.py
index b215054f0..ae92a8ed8 100644
--- a/tests/basic/test_main.py
+++ b/tests/basic/test_main.py
@@ -88,7 +88,7 @@ class TestMain(TestCase):
 
         result = setup_git_home(mock_io.return_value)
 
-        mock_io.return_value.tool_output.assert_called_with(
+        mock_io.return_value.tool_output.assert_any_call(
             "Found git repositories in your home directory:"
         )
         mock_io.return_value.prompt_ask.assert_called_once()