diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index c8a6a14a6..61f48fad5 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -1079,7 +1079,7 @@ class Coder:
     def fmt_system_prompt(self, prompt):
         if self.main_model.lazy:
             lazy_prompt = self.gpt_prompts.lazy_prompt
-        elif hasattr(self.main_model, "overager") and self.main_model.overager:
+        elif self.main_model.overeager:
             lazy_prompt = self.gpt_prompts.overeager_prompt
         else:
             lazy_prompt = ""
diff --git a/aider/coders/base_prompts.py b/aider/coders/base_prompts.py
index c431c7520..35ff81cce 100644
--- a/aider/coders/base_prompts.py
+++ b/aider/coders/base_prompts.py
@@ -14,6 +14,8 @@ You NEVER leave comments describing code without implementing it!
 You always COMPLETELY IMPLEMENT the needed code!
 """
 
+    overeager_prompt = """Pay careful attention to the scope of the user's request. Do what they ask, but no more."""
+
     example_messages = []
 
     files_content_prefix = """I have *added these files to the chat* so you can go ahead and edit them.
diff --git a/aider/models.py b/aider/models.py
index 4e9c3d41f..19468e28c 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -103,6 +103,7 @@ class ModelSettings:
     use_repo_map: bool = False
     send_undo_reply: bool = False
     lazy: bool = False
+    overeager: bool = False
     reminder: str = "user"
     examples_as_sys_msg: bool = False
     extra_params: Optional[dict] = None