diff --git a/aider/main.py b/aider/main.py
index 3aa2010c1..fb209d6d4 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -48,6 +48,12 @@ def main():
         metavar="FILE",
         help="Apply the changes from the given file instead of running the chat (debug)",
     )
+    parser.add_argument(
+        "--no-auto-commits",
+        action="store_true",
+        help=f"Do not automatically commit changes (default: False, ${env_prefix}NO_AUTO_COMMITS)",
+        default=bool(int(os.environ.get(f"{env_prefix}NO_AUTO_COMMITS", 0))),
+    )
     parser.add_argument(
         "--show-diffs",
         action="store_true",