diff --git a/lustre/tests/oos.sh b/lustre/tests/oos.sh
index 21db55cc7e2e29ea3c00113e0b6830a99a4c5a32..4dc7ddbaa683d14167ada6bf577a1e7f4a087340 100755
--- a/lustre/tests/oos.sh
+++ b/lustre/tests/oos.sh
@@ -80,6 +80,7 @@ fi
 #lctl debug_daemon stop
 
 rm -f $OOS
+sync; sleep 1; sync
 
 if [ $SUCCESS -eq 1 ]; then
 	echo "Success!"