diff --git a/test/nodes/core/core/20-inject_spec.js b/test/nodes/core/core/20-inject_spec.js
index ff239db56..1dbb4cd35 100644
--- a/test/nodes/core/core/20-inject_spec.js
+++ b/test/nodes/core/core/20-inject_spec.js
@@ -75,7 +75,7 @@ describe('inject node', function() {
                       var n3 = helper.getNode("n3");
                       n3.on("input", function(msg) {
                           msg.should.have.property('topic', 't3');
-                          msg.should.have.property('payload').be.a.Number;
+                          msg.should.have.property('payload').be.a.Number();
                           helper.clearFlows().then(function() {
                               done();
                           });
diff --git a/test/nodes/core/io/22-websocket_spec.js b/test/nodes/core/io/22-websocket_spec.js
index 75a71714f..d574ac2e0 100644
--- a/test/nodes/core/io/22-websocket_spec.js
+++ b/test/nodes/core/io/22-websocket_spec.js
@@ -422,7 +422,8 @@ describe('websocket Node', function() {
             helper.load(websocketNode, flow, function() {
                 getSocket('server').on('connection', function(sock) {
                     sock.on('message', function(msg) {
-                        msg.should.have.length(5).and.be.a.buffer;
+                        Buffer.isBuffer(msg).should.be.true();
+                        msg.should.have.length(5);
                         done();
                     });
                 });