client_test.go | 2 ++

diff --git a/client_test.go b/client_test.go
index d420a78f4cb0f769a4473385b0bbb61b154b9e4e..fc008b99e399a9a334571ff8db6afa8af35cb078 100644
--- a/client_test.go
+++ b/client_test.go
@@ -112,7 +112,9 @@ 	tor.chunkSize = 2
 	tor.storageOpener = storage.NewClient(storage.NewFileWithCompletion("/dev/null", storage.NewMapPieceCompletion()))
 	// Needed to lock for asynchronous piece verification.
 	tor.cl = new(Client)
+	tor.cl.mu.Lock()
 	err := tor.setInfoBytes(mi.InfoBytes)
+	tor.cl.mu.Unlock()
 	require.NoError(t, err)
 	require.Len(t, tor.pieces, 3)
 	tor.pendAllChunkSpecs(0)