diff --git a/cidenc/encoder_test.go b/cidenc/encoder_test.go
index a42ef34c46b0b872d8f3ae783c54b9d1d58beedc..225aa1f0c166622d4e63a9bc9d69115ec4ddeab4 100644
--- a/cidenc/encoder_test.go
+++ b/cidenc/encoder_test.go
@@ -59,4 +59,12 @@ func TestCidEncoder(t *testing.T) {
 	testRecode(enc, cidv0str, cidb32str)
 	testRecode(enc, cidv1str, cidb32str)
 	testRecode(enc, cidb32str, cidb32str)
+
+	enc = Default()
+	testEncode(enc, cidv0, cidv0str)
+	testEncode(enc, cidv1, cidb32str)
+	testRecode(enc, cidv0str, cidv0str)
+	testRecode(enc, cidv1str, cidb32str)
+	testRecode(enc, cidb32str, cidb32str)
+
 }