diff --git a/mysqlbu-scripts.sh b/mysqlbu-scripts.sh
index 618eb1f..f3e107e 100755
--- a/mysqlbu-scripts.sh
+++ b/mysqlbu-scripts.sh
@@ -53,7 +53,7 @@ DELETE_BACKUP() {
 	
 	sbu1=${tbus[$1]}
 	thr=`echo ${sbu1//_BASE/} | sed 's/.*\///'`
-	bsz=`du -sh ${thr} | awk '{print $1}'`
+	bsz=`du -sh ${sbu1} | awk '{print $1}'`
 	
 	echo "HERE '${sbu1}' '${thr}'"