diff --git a/backup.sh b/backup.sh
index 4d88441..4f90970 100644
--- a/backup.sh
+++ b/backup.sh
@@ -21,8 +21,8 @@ if [ -n "$MAX_BACKUPS" ]; then
   while [ `ls -1 /backup | wc -l` -gt "$MAX_BACKUPS" ];
   do
     TARGET=`ls -1 /backup | sort | head -n 1`
-    echo "Backup \${TARGET} is deleted"
-    rm -rf /backup/\${TARGET}
+    echo "Backup ${TARGET} is deleted"
+    rm -rf /backup/${TARGET}
   done
 fi