diff --git a/src/nio_llm/__main__.py b/src/nio_llm/__main__.py
index 183ef39..d2113e9 100644
--- a/src/nio_llm/__main__.py
+++ b/src/nio_llm/__main__.py
@@ -23,7 +23,7 @@ def main(
     openai_api_endpoint: str = "http://localhost:8000/v1",
     openai_temperature: float = 0,
     openai_max_tokens: int = 256,
-    history_size: int = 3,
+    history_size: int = 5,
 ) -> None:
     """Instantiate and start the client.
 
@@ -60,7 +60,7 @@ def main(
             Defaults to `256`.
         history_size (`int`):
             The number of messages to keep in history.
-            Defaults to `3`.
+            Defaults to `5`.
     """
     # create the client
     client = LLMClient(
diff --git a/src/nio_llm/client.py b/src/nio_llm/client.py
index f7e318d..7453437 100644
--- a/src/nio_llm/client.py
+++ b/src/nio_llm/client.py
@@ -181,7 +181,6 @@ class LLMClient(AsyncClient):
                     for message in self.history
                 ],
             ],
-            stop=["<|im_end|>"],
             temperature=self.openai_temperature,
             max_tokens=self.openai_max_tokens,
         )