diff --git a/dabo/functions/check_sell_conditions.sh b/dabo/functions/check_sell_conditions.sh
index 940f39b..7f1d08f 100644
--- a/dabo/functions/check_sell_conditions.sh
+++ b/dabo/functions/check_sell_conditions.sh
@@ -120,7 +120,7 @@ function check_sell_conditions_strategy {
   local SELL_RSI720_SIGNAL_FROM="101"
  
   # never occur rsi defaults to suppress error messages if no values from strategy given
-  local SELL_MACD_RELATION_FROM="101"
+  local SELL_MACD_RELATION_FROM="-101"
 
   # default
   local SELL_HOLD_IF_RESULT_NEGATIVE="0"