diff --git a/cid_test.go b/cid_test.go
index 16008d051d5cdc3ba9dcde1dbc70ecc6e00c6b7c..74797c96185e74c231721987d8e04511dac7a035 100644
--- a/cid_test.go
+++ b/cid_test.go
@@ -449,7 +449,7 @@ func TestParse(t *testing.T) {
 			return err
 		}
 		if cid.Version() != 0 {
-			return fmt.Errorf("expected version 0, got %s", string(cid.Version()))
+			return fmt.Errorf("expected version 0, got %s", fmt.Sprintf("%d", cid.Version()))
 		}
 		actual := cid.Hash().B58String()
 		if actual != expected {