diff --git a/tests/unit-tests/key-locator.t.cpp b/tests/unit-tests/key-locator.t.cpp
index 671a362..94eb5a2 100644
--- a/tests/unit-tests/key-locator.t.cpp
+++ b/tests/unit-tests/key-locator.t.cpp
@@ -92,7 +92,7 @@
 {
   char digestOctets[] = "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD";
   ConstBufferPtr digestBuffer = make_shared<Buffer>(digestOctets, 8);
-  Block expectedDigestBlock = dataBlock(tlv::KeyDigest, digestOctets, 8);
+  Block expectedDigestBlock = makeBinaryBlock(tlv::KeyDigest, digestOctets, 8);
 
   KeyLocator a;
   a.setKeyDigest(digestBuffer);