diff --git a/shell-scripts.d/top-level-tags.sh b/shell-scripts.d/top-level-tags.sh
index 060a6e7..57e869a 100755
--- a/shell-scripts.d/top-level-tags.sh
+++ b/shell-scripts.d/top-level-tags.sh
@@ -9,18 +9,19 @@ echo -e "\nAdding top-level tags."
 
 for file in *;
 do
-	if [[ "$file" != 'top-level-tags.sh' ]]; then
-		CANTO_NUM_UNSAFE="$(echo "'$file'" | tr -d -c 0-9)"	# get canto number
-		CANTO_NUM=$((10#$CANTO_NUM_UNSAFE))			# safe for bash (no octal 0xx)
+	if [[ "$file" != 'top-level-tags.sh' ]] && [[ "$file" != 'canticle-to-xml.sh' ]]; then
+		ZEROS_CANTO_NUM="$(echo "'$file'" | tr -d -c 0-9)"	# get canto number
+		#CANTO_NUM="$(echo $ZEROS_CANTO_NUM | tr -d 0)"
+		CANTO_NUM=$((10#$ZEROS_CANTO_NUM))
 		if [[ "$file" == *inferno* ]]; then
 			CANTICLE="Inferno"
 			COMM_NUM="$CANTO_NUM"			# same as inferno canto number
 		elif [[ "$file" == *purgatorio* ]]; then
 			CANTICLE="Purgatorio"
-			COMM_NUM="$((CANTO_NUM + 34))"		# add 34 if in purgatory
+			COMM_NUM="$(($CANTO_NUM + 34))"		# add 34 if in purgatory
 		elif [[ "$file" == *paradiso* ]]; then
 			CANTICLE="Paradiso"
-			COMM_NUM="$((CANTO_NUM + 67))"		# add 68 if in paradise
+			COMM_NUM="$(($CANTO_NUM + 67))"		# add 68 if in paradise
 		else
 			echo -e "\nWhat file is this? $file"
 		fi