diff --git a/ospec/README.md b/ospec/README.md
index cd08c697..084d949d 100644
--- a/ospec/README.md
+++ b/ospec/README.md
@@ -4,7 +4,7 @@
 
 Noiseless testing framework
 
-Version: 1.2.1 
+Version: 1.2.2 
 License: MIT
 
 ## About
diff --git a/ospec/ospec.js b/ospec/ospec.js
index f094dfe6..24495b87 100644
--- a/ospec/ospec.js
+++ b/ospec/ospec.js
@@ -143,8 +143,11 @@ module.exports = new function init() {
 				return true
 			}
 			if (a.length === b.length && (a instanceof Array && b instanceof Array || aIsArgs && bIsArgs)) {
-				for (var i = 0; i < a.length; i++) {
-					if (!deepEqual(a[i], b[i])) return false
+				var aKeys = Object.getOwnPropertyNames(a), bKeys = Object.getOwnPropertyNames(b)
+				if (aKeys.length !== bKeys.length) return false
+				var larger = aKeys.length < bKeys.length ? bKeys : aKeys
+				for (var i = 0; i < larger.length; i++) {
+					if (!deepEqual(a[larger[i]], b[larger[i]])) return false
 				}
 				return true
 			}
diff --git a/ospec/package.json b/ospec/package.json
index 940b7f5a..1127ad7f 100644
--- a/ospec/package.json
+++ b/ospec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ospec",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "Noiseless testing framework",
   "main": "ospec.js",
   "directories": {
diff --git a/ospec/tests/test-ospec.js b/ospec/tests/test-ospec.js
index 3b1dd440..a1433d26 100644
--- a/ospec/tests/test-ospec.js
+++ b/ospec/tests/test-ospec.js
@@ -28,7 +28,7 @@ o.spec("ospec", function() {
 		o.beforeEach(function() {b = 1})
 		o.afterEach(function() {b = 0})
 
-		o("assertions", function() {
+		o.only("assertions", function() {
 			var spy = o.spy()
 			spy(a)
 
@@ -36,6 +36,14 @@ o.spec("ospec", function() {
 			o(a).notEquals(2)
 			o({a: [1, 2], b: 3}).deepEquals({a: [1, 2], b: 3})
 			o([{a: 1, b: 2}, {c: 3}]).deepEquals([{a: 1, b: 2}, {c: 3}])
+			
+			var monkeypatch1 = [1, 2]
+			monkeypatch1.field = 3
+			var monkeypatch2 = [1, 2]
+			monkeypatch2.field = 4
+			
+			o(monkeypatch1).notDeepEquals([1, 2])
+			o(monkeypatch1).notDeepEquals(monkeypatch2)
 
 			var values = ["a", "", 1, 0, true, false, null, undefined, Date(0), ["a"], [], function() {return arguments}.call(), new Uint8Array(), {a: 1}, {}]
 			for (var i = 0; i < values.length; i++) {