diff --git a/aider/main.py b/aider/main.py
index 58e42c2b4..b6779acb2 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -276,7 +276,7 @@ def load_dotenv_files(git_root, dotenv_fname, encoding):
     for fname in dotenv_files:
         if Path(fname).exists():
             try:
-                load_dotenv(fname, override=True, encoding=encoding, errors='ignore')
+                load_dotenv(fname, override=True, encoding=encoding, errors="ignore")
                 loaded.append(fname)
             except Exception as e:
                 print(f"Error loading {fname}: {e}")