diff --git a/postgresql/files/postgresql-backup.sh b/postgresql/files/postgresql-backup.sh
index 3247c7bf..ecf0ea83 100755
--- a/postgresql/files/postgresql-backup.sh
+++ b/postgresql/files/postgresql-backup.sh
@@ -41,10 +41,10 @@ create_backup_dirs() {
 
 cleanup_old_backups() {
 	# Remove the old backups
-	TODELETE=`ls  ${$BACKUPDIR}/history | awk -F '.' '{print $NF}' | sort -ruV | tail -n +${N_DAYS_TO_SPARE}`
+	TODELETE=`ls  ${BACKUPDIR}/history | awk -F '.' '{print $NF}' | sort -ruV | tail -n +${N_DAYS_TO_SPARE}`
 	for i in ${TODELETE}
 	do
-	    rm -f ${$BACKUPDIR}/history/*.$i
+	    rm -f ${BACKUPDIR}/history/*.$i
 	done
 }