diff --git a/bot.py b/bot.py
index bc85b7c..c51498b 100644
--- a/bot.py
+++ b/bot.py
@@ -2117,7 +2117,8 @@ class Bot:
             messages.append({"role": "system", "content": chunk_context})
         if room_doc_context:
             messages.append({"role": "system", "content": room_doc_context})
-        messages.extend(history)
+        # Limit history to 10 messages to prevent stale patterns from overwhelming fresh doc context
+        messages.extend(history[-10:])
         if doc_context:
             messages.append({"role": "system", "content": doc_context})