diff --git a/src/main_ml.py b/src/main_ml.py
index e97b6e4..9572869 100644
--- a/src/main_ml.py
+++ b/src/main_ml.py
@@ -156,7 +156,7 @@ class TradingBotV03:
                 'entry_price': entry_price,
                 'qty': qty,
                 'order_id': order.get('orderId'),
-                'entry_time': datetime.now()
+                'entry_time': datetime.now().isoformat()
             }
             
             logger.info(f"BUY: {qty} {symbol} @ ${entry_price:.2f} (${qty*entry_price:.2f})")
@@ -279,3 +279,4 @@ if __name__ == '__main__':
     bot.run()
 
 
+