metainfo/metainfo_test.go | 2 +-

diff --git a/metainfo/metainfo_test.go b/metainfo/metainfo_test.go
index 2e6d8f08dd317811dc6473b2ec9a023b9cbff914..9f78840ac9230a683809e60980c5c6e44f030618 100644
--- a/metainfo/metainfo_test.go
+++ b/metainfo/metainfo_test.go
@@ -69,7 +69,7 @@ 			Files:       _case.Files,
 			PieceLength: _case.PieceLength,
 		}
 		err := info.GeneratePieces(func(fi FileInfo) (io.ReadCloser, error) {
-			return ioutil.NopCloser(missinggo.ZeroReader{}), nil
+			return ioutil.NopCloser(missinggo.ZeroReader), nil
 		})
 		assert.NoError(t, err)
 		assert.EqualValues(t, _case.NumPieces, info.NumPieces())