diff --git a/lib/reporters/base.js b/lib/reporters/base.js
index 4c9e8064cd..cedc67a29d 100644
--- a/lib/reporters/base.js
+++ b/lib/reporters/base.js
@@ -151,6 +151,28 @@ exports.cursor = {
   }
 };
 
+/**
+ * This function dumps long stack traces for exceptions having a cause()
+ * method. The error classes from
+ * [verror](https://github.com/davepacheco/node-verror) and
+ * [restify v2.0](https://github.com/mcavage/node-restify) are examples.
+ *
+ * @param {Error} ex
+ * @return {string}
+ * @api public
+ */
+
+exports.getFullErrorStack = function(err, message) {
+  var ret = err.stack || message || '';
+  if (err.cause && typeof (err.cause) === 'function') {
+    var causeErr = err.cause();
+    if (causeErr) {
+      ret += '\n' + '   ' + 'Caused by: ' + exports.getFullErrorStack(causeErr);
+    }
+  }
+  return ret;
+};
+
 /**
  * Outut the given `failures` as a list.
  *
@@ -177,7 +199,7 @@ exports.list = function(failures) {
     } else {
       message = '';
     }
-    var stack = err.stack || message;
+    var stack = exports.getFullErrorStack(err, message);
     var index = message ? stack.indexOf(message) : -1;
     var actual = err.actual;
     var expected = err.expected;
diff --git a/lib/runner.js b/lib/runner.js
index 86bd4dc4af..3c3984146e 100644
--- a/lib/runner.js
+++ b/lib/runner.js
@@ -226,9 +226,15 @@ Runner.prototype.fail = function(test, err) {
     err = new Error('the ' + type(err) + ' ' + stringify(err) + ' was thrown, throw an Error :)');
   }
 
-  err.stack = (this.fullStackTrace || !err.stack)
-    ? err.stack
-    : stackFilter(err.stack);
+  var causeErr = err;
+
+  while (causeErr) {
+    causeErr.stack = (this.fullStackTrace || !causeErr.stack)
+      ? causeErr.stack
+      : stackFilter(causeErr.stack);
+
+    causeErr = causeErr.cause && typeof (causeErr.cause) === 'function' ? causeErr.cause() : false;
+  }
 
   this.emit('fail', test, err);
 };
diff --git a/test/reporters/base.js b/test/reporters/base.js
index bbd0d3a9a7..3eb861d21d 100644
--- a/test/reporters/base.js
+++ b/test/reporters/base.js
@@ -197,6 +197,21 @@ describe('Base reporter', function () {
     errOut.should.equal('1) test title:\n     an error happened');
   });
 
+  it('should append the cause() property to stack trace when set', function () {
+    var err = {
+      message: 'Error',
+      stack: 'Error\nfoo\nbar',
+      showDiff: false,
+      cause: function() { return { stack: 'Cause Stack' }; }
+    };
+    var test = makeTest(err);
+
+    Base.list([test]);
+
+    var errOut = stdout.join('\n').trim();
+    errOut.should.equal('1) test title:\n     Error\n  foo\n  bar\n     Caused by: Cause Stack');
+  });
+
   it('should not modify stack if it does not contain message', function () {
     var err = {
       message: 'Error',