diff --git a/heavy_script.sh b/heavy_script.sh
index 827a2f50..082f5a44 100644
--- a/heavy_script.sh
+++ b/heavy_script.sh
@@ -86,7 +86,7 @@ mapfile -t list_backups < <(cli -c 'app kubernetes list_backups' | grep "HeavySc
 if [[  ${#list_backups[@]}  -gt  "number_of_backups" ]]; then
   echo -e "\nDeleting the oldest backup(s) for exceeding limit:"
   overflow=$(expr ${#list_backups[@]} - $number_of_backups)
-  mapfile -t list_overflow < <(cli -c 'app kubernetes list_backups' | grep "HeavyScript_"  | sort -t '_' -Vr -k2,7 | awk -F '|'  '{print $2}'| tr -d " \t\r" | tail -n "$overflow")
+  mapfile -t list_overflow < <(cli -c 'app kubernetes list_backups' | grep "HeavyScript_"  | sort -t '_' -Vr -k2,7 | awk -F '|'  '{print $2}'| tr -d " \t\r" | tail -n "$overflow" | sort -t '_' -V -k2,7)
   for i in "${list_overflow[@]}"
   do
     cli -c 'app kubernetes delete_backup backup_name=''"'"$i"'"' &> /dev/null || echo "Failed to delete $i"