diff --git a/hts/HTS.py b/hts/HTS.py
index 09dcd7a..0a6467a 100644
--- a/hts/HTS.py
+++ b/hts/HTS.py
@@ -212,7 +212,7 @@ class HTS:
             self.bot.post(stock_code, stock_code, "SELL", price, count)
             print ("(SELL", count, price, ")")
         else:
-            self.bot.post_to_slack(stock_code, stock_code, "BUY", price, count)
+            self.bot.post(stock_code, stock_code, "BUY", price, count)
             print ("(BUY", count, price, ")")
         return orderNum