diff --git a/src/scripts/backup.sh b/src/scripts/backup.sh
index 76687e551..3313336dd 100755
--- a/src/scripts/backup.sh
+++ b/src/scripts/backup.sh
@@ -21,7 +21,7 @@ if [ $# -lt 1 ]; then
     exit 1
 fi
 
-BACKUP_URL=$1
+BACKUP_URL="$1"
 
 # Stop the box
 echo "Stopping box"