diff --git a/common/ledger/blkstorage/blockfile_mgr.go b/common/ledger/blkstorage/blockfile_mgr.go
index bb14d3f7d40..6a4bb377c16 100644
--- a/common/ledger/blkstorage/blockfile_mgr.go
+++ b/common/ledger/blkstorage/blockfile_mgr.go
@@ -426,6 +426,7 @@ func (mgr *blockfileMgr) syncIndex() error {
 	if stream, err = newBlockStream(mgr.rootDir, startFileNum, int64(startOffset), endFileNum); err != nil {
 		return err
 	}
+	defer stream.close()
 	var blockBytes []byte
 	var blockPlacementInfo *blockPlacementInfo