diff --git a/src/ua-parser.js b/src/ua-parser.js
index a53f547..a3d678a 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -292,7 +292,7 @@
             /;fbav\/([\w\.]+);/i                                                // Facebook App for iOS & Android
             ], [VERSION, [NAME, 'Facebook']], [
 
-            /headlesschrome\/([\w\.]+)/i                                        // Chrome Headless
+            /headlesschrome(?:\/([\w\.]+)|\s)/i                                 // Chrome Headless
             ], [VERSION, [NAME, 'Chrome Headless']], [
 
             /\swv\).+(chrome)\/([\w\.]+)/i                                      // Chrome WebView
diff --git a/test/browser-test.json b/test/browser-test.json
index d892e79..3efba3f 100644
--- a/test/browser-test.json
+++ b/test/browser-test.json
@@ -145,8 +145,8 @@
             "expect"  :
         {
            "name"    : "Chrome Headless",
-           "version" : "HeadlessChrome",
-           "major"   : ""
+           "version" : "undefined",
+           "major"   : "undefined"
         }
     },
     {