diff --git a/package.json b/package.json
index a65af01..d25a2a1 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "title": "UA-Parser.JS",
   "name": "ua-parser-js",
-  "version": "0.4.11",
+  "version": "0.4.12",
   "author": "Faisal Salman <fyzlman@gmail.com> (http://faisalman.com)",
   "description": "Lightweight JavaScript-based user-agent string parser",
   "keywords": [
diff --git a/ua-parser.js b/ua-parser.js
index 72c3d25..8347679 100644
--- a/ua-parser.js
+++ b/ua-parser.js
@@ -1,4 +1,4 @@
-// UA-Parser.JS v0.4.11
+// UA-Parser.JS v0.4.12
 // Lightweight JavaScript-based User-Agent string parser
 // https://github.com/faisalman/ua-parser-js
 //
@@ -303,7 +303,7 @@
             /(ip[honead]+).*os\s*([\w]+)*\slike\smac/i                          // iOS
             ], [['name', 'iOS'], ['version', /_/g, '.']], [
 
-            /(mac\sos\sx)\s?([\d\s\.]+\w)*/i,                                   // Mac OS
+            /(mac\sos\sx)\s?([\w\s\.]+\w)*/i,                                   // Mac OS
             ], ['name', ['version', /_/g, '.']], [
 
             // Other