diff --git a/dabo/functions/check_sell_conditions.sh b/dabo/functions/check_sell_conditions.sh
index 7f7efda..c023195 100644
--- a/dabo/functions/check_sell_conditions.sh
+++ b/dabo/functions/check_sell_conditions.sh
@@ -131,6 +131,8 @@ function check_sell_conditions_strategy {
   # default
   local SELL_HOLD_IF_RESULT_NEGATIVE="0"
 
+  f_do_sell=""
+
   # run strategy
   if [ -s "${f_strategy}" ]
   then