diff --git a/block_test.go b/block_test.go
index 690cd07ad1..4ebb9685d0 100644
--- a/block_test.go
+++ b/block_test.go
@@ -42,7 +42,7 @@ func TestSetCompactionFailed(t *testing.T) {
 func createEmptyBlock(t *testing.T, dir string) *Block {
 	testutil.Ok(t, os.MkdirAll(dir, 0777))
 
-	testutil.Ok(t, writeMetaFile(dir, &BlockMeta{}))
+	testutil.Ok(t, writeMetaFile(dir, &BlockMeta{Version: 2}))
 
 	ir, err := index.NewWriter(filepath.Join(dir, indexFilename))
 	testutil.Ok(t, err)
diff --git a/index/index.go b/index/index.go
index 3b7a09c39f..7decaa5176 100644
--- a/index/index.go
+++ b/index/index.go
@@ -168,6 +168,8 @@ func NewWriter(fn string) (*Writer, error) {
 		symbols:       make(map[string]uint32, 1<<13),
 		seriesOffsets: make(map[uint64]uint64, 1<<16),
 		crc32:         newCRC32(),
+
+		Version: 2,
 	}
 	if err := iw.writeMeta(); err != nil {
 		return nil, err