diff --git a/test/test_binary.js b/test/test_binary.js
index 0261aa7a..0971ecb0 100644
--- a/test/test_binary.js
+++ b/test/test_binary.js
@@ -71,7 +71,11 @@ function run_test (test, ser) {
 
                pl2.push(session.call('com.myapp.echo', [vals1[i]]).then(
                   function (res) {
-                     test.log("Result [com.myapp.echo]:", res);
+                      if (Buffer.isBuffer(res)) {
+                        test.log("Result [com.myapp.echo]:", res.toString('hex'));
+                      } else {
+                        test.log("Result [com.myapp.echo]:", res);
+                      }                     
                   },
                   function (err) {
                      test.log("Error [com.myapp.echo]:", err.error, err.args, err.kwargs);
@@ -83,7 +87,11 @@ function run_test (test, ser) {
 
                 pl2.push(session.call('any.echo', [vals1[i]]).then(
                    function (res) {
-                      test.log("Result [any.echo]:", res);
+                      if (Buffer.isBuffer(res)) {
+                        test.log("Result [any.echo]:", res.toString('hex'));
+                      } else {
+                        test.log("Result [any.echo]:", res);
+                      }
                    },
                    function (err) {
                       test.log("Error [any.echo]:", err.error, err.args, err.kwargs);
diff --git a/test/test_binary_cbor.txt b/test/test_binary_cbor.txt
index d4367544..00ca30a1 100644
--- a/test/test_binary_cbor.txt
+++ b/test/test_binary_cbor.txt
@@ -7,14 +7,14 @@
 6 "Result [any.echo]:" {"a":5,"b":"hello2"}
 7 "Result [any.echo]:" [-9007199254740991,9007199254740991]
 8 "Result [any.echo]:" null
-9 "Result [any.echo]:" [0,1,2,3,4,5,6,7]
-10 "Result [any.echo]:" [143,68,213,9,224,73,42,206,196,252,16,154,3,10,92,117,31,6,63,183,67,204,56,143,14,215,34,186,204,59,198,108]
+9 "Result [any.echo]:" "0001020304050607"
+10 "Result [any.echo]:" "8f44d509e0492acec4fc109a030a5c751f063fb743cc388f0ed722bacc3bc66c"
 11 "Result [com.myapp.echo]:" 1.7
 12 "Result [com.myapp.echo]:" "hello"
 13 "Result [com.myapp.echo]:" [1,2,-3]
 14 "Result [com.myapp.echo]:" {"a":5,"b":"hello2"}
 15 "Result [com.myapp.echo]:" [-9007199254740991,9007199254740991]
 16 "Result [com.myapp.echo]:" null
-17 "Result [com.myapp.echo]:" [0,1,2,3,4,5,6,7]
-18 "Result [com.myapp.echo]:" [143,68,213,9,224,73,42,206,196,252,16,154,3,10,92,117,31,6,63,183,67,204,56,143,14,215,34,186,204,59,198,108]
+17 "Result [com.myapp.echo]:" "0001020304050607"
+18 "Result [com.myapp.echo]:" "8f44d509e0492acec4fc109a030a5c751f063fb743cc388f0ed722bacc3bc66c"
 19 "All finished."