diff --git a/dabo/functions/currency_converter.sh b/dabo/functions/currency_converter.sh
index b5362a7..0eacbd0 100644
--- a/dabo/functions/currency_converter.sh
+++ b/dabo/functions/currency_converter.sh
@@ -101,10 +101,12 @@ function currency_converter {
   do
     # search for most precise date
     f_line=$(egrep "^$f_currency_date_minute" "$f_histfile"*m.csv 2>/dev/null | tail -n1)
-    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_hour" "$f_histfile"*m.csv 2>/dev/null | tail -n1)
-    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_day" "$f_histfile"*h.csv 2>/dev/null | tail -n1)
-    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_month" "$f_histfile"*.csv 2>/dev/null | tail -n1) 
+    set -x
+    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_hour" "$f_histfile"*m.csv 2>/dev/null | sort | tail -n1)
+    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_day" "$f_histfile"*h.csv 2>/dev/null | sort | tail -n1)
+    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_month" "$f_histfile"*.csv 2>/dev/null | sort | tail -n1) 
     [ -n "$f_line" ] && f_rate=$(echo "$f_line" | cut -d, -f2)
+    set +x
     f_reverse=false
     if [ -n "$f_rate" ]
     then