diff --git a/src/ua-parser.js b/src/ua-parser.js
index 3a43d7f..3495b42 100644
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -738,7 +738,7 @@
             // GNU/Linux based
             /(mint)[\/\s\(]?(\w+)*/i,                                           // Mint
             /(mageia|vectorlinux)[;\s]/i,                                       // Mageia/VectorLinux
-            /(joli|[kxln]?ubuntu|debian|[open]*suse|gentoo|(?=\s)arch|slackware|fedora|mandriva|centos|pclinuxos|redhat|zenwalk|linpus)[\/\s-]?([\w\.-]+)*/i,
+            /(joli|[kxln]?ubuntu|debian|[open]*suse|gentoo|(?=\s)arch|slackware|fedora|mandriva|centos|pclinuxos|redhat|zenwalk|linpus)[\/\s-]?(?!chrom)([\w\.-]+)*/i,
                                                                                 // Joli/Ubuntu/Debian/SUSE/Gentoo/Arch/Slackware
                                                                                 // Fedora/Mandriva/CentOS/PCLinuxOS/RedHat/Zenwalk/Linpus
             /(hurd|linux)\s?([\w\.]+)*/i,                                       // Hurd/Linux
diff --git a/test/os-test.json b/test/os-test.json
index eaff59e..b85f3d8 100644
--- a/test/os-test.json
+++ b/test/os-test.json
@@ -280,11 +280,20 @@
     },
     {
         "desc"    : "Ubuntu",
-        "ua"      : "",
+        "ua"      : "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.22+ (KHTML, like Gecko) Chromium/17.0.963.56 Chrome/17.0.963.56 Safari/535.22+ Ubuntu/12.04 (3.4.1-0ubuntu1) Epiphany/3.4.1",
         "expect"  :
         {
-            "name"    : "",
-            "version" : ""
+            "name"    : "Ubuntu",
+            "version" : "12.04"
+        }
+    },
+    {
+        "desc"    : "Ubuntu",
+        "ua"      : "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/31.0.1650.63 Chrome/31.0.1650.63 Safari/537.36",
+        "expect"  :
+        {
+            "name"    : "Ubuntu",
+            "version" : "undefined"
         }
     },
     {