diff --git a/Bithumb_minute.py b/Bithumb_minute.py
index 2dc93d4..c1cf5de 100644
--- a/Bithumb_minute.py
+++ b/Bithumb_minute.py
@@ -668,6 +668,7 @@ class Bithumb_minute(HTS):
         elif 60 <= price < 90: MAX_BUY_PRICE = 180000
         elif 30 <= price < 60: MAX_BUY_PRICE = 190000
         elif price < 30: MAX_BUY_PRICE = 200000
+        else: MAX_BUY_PRICE = 1000
 
         count = int(MAX_BUY_PRICE / price)
         return count