diff --git a/README.md b/README.md
index c4f6f76..b5d050e 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,7 @@ These are the default styles and settings used by _eyes_.
     },
     
     pretty: true,             // Indent object literals
+    sortObjectKeys: false,    // Sort object keys
     hideFunctions: false,     // Don't output functions at all
     stream: process.stdout,   // Stream to write to, or null
     maxLength: 2048           // Truncate output if longer
diff --git a/lib/eyes.js b/lib/eyes.js
index 10d964b..e14676b 100644
--- a/lib/eyes.js
+++ b/lib/eyes.js
@@ -27,6 +27,7 @@ eyes.defaults = {
         regexp:  'green',     // /\d+/
     },
     pretty: true,             // Indent object literals
+    sortObjectKeys: false,    // Sort object keys
     hideFunctions: false,
     showHidden: false,
     stream: process.stdout,
@@ -178,6 +179,9 @@ function stringifyObject(obj, options, level) {
     var ws = pretty ? '\n' + new(Array)(level * 4 + 1).join(' ') : ' ';
 
     var keys = options.showHidden ? Object.keys(obj) : Object.getOwnPropertyNames(obj);
+    if (options.sortObjectKeys) {
+        keys = keys.sort();
+    }
     keys.forEach(function (k) {
         if (Object.prototype.hasOwnProperty.call(obj, k) 
           && !(obj[k] instanceof Function && options.hideFunctions)) {