diff --git a/local/bin/x-backup-folder.sh b/local/bin/x-backup-folder.sh
index f2ba973..879c39d 100755
--- a/local/bin/x-backup-folder.sh
+++ b/local/bin/x-backup-folder.sh
@@ -13,11 +13,13 @@ if [ -z "${FILENAME}" ]; then
   FILENAME=$DIRECTORY
 fi
 
-FILENAME=${FILENAME} \
-  | tr '/' _ \
-  | iconv -t ascii//TRANSLIT \
-  | sed -r s/[^a-zA-Z0-9]+/_/g \
-  | sed -r s/^_+\|-+$//g
+FILENAME=$(
+  ${FILENAME} \
+    | tr '/' _ \
+    | iconv -t ascii//TRANSLIT \
+    | sed -r s/[^a-zA-Z0-9]+/_/g \
+    | sed -r s/^_+\|-+$//g
+)
 
 TIMESTAMP=$(date "+%Y%m%d_%H%M%S")
 FILENAME_TIMESTAMP="${FILENAME}_${TIMESTAMP}"