diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index 29256f3fa..2835ed935 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -255,6 +255,7 @@ class Coder:
         commands=None,
         summarizer=None,
         total_cost=0.0,
+        map_refresh="auto",
     ):
         self.commit_before_message = []
         self.aider_commit_hashes = set()
@@ -384,6 +385,7 @@ class Coder:
                 self.verbose,
                 max_inp_tokens,
                 map_mul_no_files=map_mul_no_files,
+                refresh=map_refresh,
             )
 
         self.summarizer = summarizer or ChatSummary(
diff --git a/aider/main.py b/aider/main.py
index be0268f88..44ba4e604 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -532,6 +532,7 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
             test_cmd=args.test_cmd,
             commands=commands,
             summarizer=summarizer,
+            map_refresh=args.map_refresh,
         )
 
     except ValueError as err: