diff --git a/bot.py b/bot.py
index ce39daf..117d518 100644
--- a/bot.py
+++ b/bot.py
@@ -1,4 +1,4 @@
-__version__ = "dev-0.9.3"
+__version__ = "dev-0.9.4"
 __all__ = ["Discordbot-chatai (Discord)"]
 __author__ = "SimolZimol"
 
@@ -1326,6 +1326,16 @@ async def process_ai_queue():
 
                 try:
                     user_history = user_data.get(user_history_field, [])
+                    
+                    # Ensure user_history is a list, not a string
+                    if isinstance(user_history, str):
+                        try:
+                            user_history = json.loads(user_history)
+                        except (json.JSONDecodeError, ValueError):
+                            user_history = []
+                    elif not isinstance(user_history, list):
+                        user_history = []
+                    
                     user_history.append({"role": "user", "content": f"{user_name}: {prompt}"})
 
                     messages = [
@@ -1366,7 +1376,7 @@ async def process_ai_queue():
                     user_history.append({"role": "assistant", "content": assistant_message})
                     
                     # Update the relevant user history field
-                    update_user_data(user_data["user_id"], guild_id, user_history_field, json.dumps(user_history))
+                    update_user_data(user_data["user_id"], guild_id, user_history_field, user_history)
 
                 except Exception as e:
                     logger.error(f"Processing errors: {e}")