diff --git a/clean-tw.sh b/clean-tw.sh
index 56dc2bb..64bd7b8 100644
--- a/clean-tw.sh
+++ b/clean-tw.sh
@@ -1,20 +1,22 @@
 #!/bin/sh
 
 function get_task_value {
-	 echo "$task_data" | grep "^$1" | sed -E "s/^$1 +//"
+	echo "$task_data" | grep "^$1" | sed -E "s/^$1 +//"
 }
 
-ids=$(task limit:none recur | grep -E '^ +[[:digit:]].*[[:alpha:]].*[[:digit:]]$' | sed -E 's/^ +([[:digit:]]+) .*/\1/')
-
+ids=$(task limit:none recur | grep -E '^ ?[[:digit:]].*[[:alpha:]].*[[:digit:]]$' | sed -E 's/^ ?([[:digit:]]+) .*/\1/')
 excluded_ids=$(for id in $ids
-					do
-						 task_data="$(task $id)"
-						 echo "$(get_task_value 'Parent task') $(get_task_value 'Description' | sed 's/ /_/g') $(get_task_value 'Due') $id"	 
-					done | sort | rev | uniq -f3 | rev | sed -E 's/.* ([[:digit:]]+)$/\1/')
+			   do
+					task_data="$(task $id)"
+					echo "$(get_task_value 'Parent task') $(get_task_value 'Description' | sed 's/ /_/g') $(get_task_value 'Due') $id"	 
+			   done | sort | rev | uniq -f3 | rev | sed -E 's/.* ([[:digit:]]+)$/\1/')
 
 del_ids=$(for id in $excluded_ids $ids
-			 do
-				  echo $id
-			 done | sort | uniq -u)
+		  do
+			echo $id
+		  done | sort | uniq -u)
 
-task $del_ids del
+if [ ! -z "$del_ids" -a "$del_ids" != " " ]
+then
+	task $del_ids del
+fi