diff --git a/mithril.js b/mithril.js
index 01e0794a..48744789 100644
--- a/mithril.js
+++ b/mithril.js
@@ -14,7 +14,7 @@
 	"use strict"
 
 	m.version = function () {
-		return "v0.2.4"
+		return "v0.2.5"
 	}
 
 	var hasOwn = {}.hasOwnProperty
@@ -1338,7 +1338,7 @@
 	}
 
 	m.prop = function (store) {
-		if ((store != null && isObject(store) || isFunction(store)) || (typeof Promise !== "undefined" && store instanceof Promise) &&
+		if ((store != null && (isObject(store) || isFunction(store)) || ((typeof Promise !== "undefined") && (store instanceof Promise))) &&
 				isFunction(store.then)) {
 			return propify(store)
 		}
diff --git a/package.json b/package.json
index be7e06af..e5efa7f1 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mithril",
   "description": "Mithril.js - A Javascript Framework for Building Brilliant Applications",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "homepage": "http://mithril.js.org",
   "license": "MIT",
   "author": {