diff --git a/common/stringify.js b/common/stringify.js
index 192a4847a..aece384d3 100644
--- a/common/stringify.js
+++ b/common/stringify.js
@@ -14,6 +14,8 @@ var stringify = function stringify (obj, depth) {
   }
 
   switch (typeof obj) {
+    case 'symbol':
+      return obj.toString()
     case 'string':
       return "'" + obj + "'"
     case 'undefined':
diff --git a/test/client/stringify.spec.js b/test/client/stringify.spec.js
index e51c85d37..a00a7eb29 100644
--- a/test/client/stringify.spec.js
+++ b/test/client/stringify.spec.js
@@ -4,6 +4,10 @@ var assert = require('assert')
 var stringify = require('../../common/stringify')
 
 describe('stringify', function () {
+  it('should serialize symbols', function () {
+    assert.deepEqual(stringify(Symbol.for('x')), "Symbol(\'x\')")
+  })
+
   it('should serialize string', function () {
     assert.deepEqual(stringify('aaa'), "'aaa'")
   })