diff --git a/aider/coder.py b/aider/coder.py
index 366cb1bc3..773b3d8e3 100755
--- a/aider/coder.py
+++ b/aider/coder.py
@@ -37,6 +37,7 @@ class Coder:
         pretty=True,
         show_diffs=False,
         auto_commits=True,
+        dirty_commits=True,
         dry_run=False,
         use_ctags=False,
         verbose=False,
@@ -48,6 +49,7 @@ class Coder:
 
         self.io = io
         self.auto_commits = auto_commits
+        self.dirty_commits = dirty_commits
         self.dry_run = dry_run
 
         if pretty:
diff --git a/aider/main.py b/aider/main.py
index f7958d5b5..d2110560a 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -122,6 +122,12 @@ def main(args=None, input=None, output=None):
         dest="auto_commits",
         help="Disable auto commit of changes",
     )
+    parser.add_argument(
+        "--no-dirty-commits",
+        action="store_false",
+        dest="dirty_commits",
+        help="Disable dirty commit of changes",
+    )
     parser.add_argument(
         "--dry-run",
         action="store_true",
@@ -187,6 +193,7 @@ def main(args=None, input=None, output=None):
         pretty=args.pretty,
         show_diffs=args.show_diffs,
         auto_commits=args.auto_commits,
+        dirty_commits=args.dirty_commits,
         dry_run=args.dry_run,
         use_ctags=args.ctags,
         verbose=args.verbose,