diff --git a/src/ua-parser.js b/src/ua-parser.js
index 8e1f714..0a9889b 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -239,9 +239,9 @@
             /(?:ms|\()(ie) ([\w\.]+)/i,                                         // Internet Explorer
 
             // Webkit/KHTML based                                               // Flock/RockMelt/Midori/Epiphany/Silk/Skyfire/Bolt/Iron/Iridium/PhantomJS/Bowser/QupZilla/Falkon
-            /(flock|rockmelt|midori|epiphany|silk|skyfire|bolt|iron|vivaldi|iridium|phantomjs|bowser|quark|qupzilla|falkon|rekonq|puffin|brave|whale(?!.+naver)|qqbrowserlite|qq|duckduckgo)\/([-\w\.]+)/i,
-                                                                                // Rekonq/Puffin/Brave/Whale/QQBrowserLite/QQ, aka ShouQ
-            /(heytap|ovi)browser\/([\d\.]+)/i,                                  // Heytap/Ovi
+            /(flock|rockmelt|midori|epiphany|silk|skyfire|ovibrowser|bolt|iron|vivaldi|iridium|phantomjs|bowser|quark|qupzilla|falkon|rekonq|puffin|brave|whale(?!.+naver)|qqbrowserlite|qq|duckduckgo|klar)\/([-\w\.]+)/i,
+                                                                                // Rekonq/Puffin/Brave/Whale/QQBrowserLite/QQ//Vivaldi/DuckDuckGo/Klar
+            /(heytap|ovi)browser\/([\d\.]+)/i,                                  // HeyTap/Ovi
             /(weibo)__([\d\.]+)/i                                               // Weibo
             ], [NAME, VERSION], [
             /\bddg\/([\w\.]+)/i                                                 // DuckDuckGo
@@ -342,8 +342,8 @@
             ], [VERSION, [NAME, FIREFOX+' Reality']], [
             /ekiohf.+(flow)\/([\w\.]+)/i,                                       // Flow
             /(swiftfox)/i,                                                      // Swiftfox
-            /(icedragon|iceweasel|camino|chimera|fennec|maemo browser|minimo|conkeror|klar)[\/ ]?([\w\.\+]+)/i,
-                                                                                // IceDragon/Iceweasel/Camino/Chimera/Fennec/Maemo/Minimo/Conkeror/Klar
+            /(icedragon|iceweasel|camino|chimera|fennec|maemo browser|minimo|conkeror)[\/ ]?([\w\.\+]+)/i,
+                                                                                // IceDragon/Iceweasel/Camino/Chimera/Fennec/Maemo/Minimo/Conkeror
             /(seamonkey|k-meleon|icecat|iceape|firebird|phoenix|palemoon|basilisk|waterfox)\/([-\w\.]+)$/i,
                                                                                 // Firefox/SeaMonkey/K-Meleon/IceCat/IceApe/Firebird/Phoenix
             /(firefox)\/([\w\.]+)/i,                                            // Other Firefox-based
diff --git a/test/browser-test.json b/test/browser-test.json
index 984c95b..6b448d2 100644
--- a/test/browser-test.json
+++ b/test/browser-test.json
@@ -848,6 +848,16 @@
             "major"   : "2"
         }
     },
+    {
+        "desc"    : "Klar < 4.1",
+        "ua"      : "Mozilla/5.0 (Linux; Android 7.0) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Klar/1.0 Chrome/58.0.3029.83 Mobile Safari/537.36",
+        "expect"  :
+        {
+            "name"    : "Klar",
+            "version" : "1.0",
+            "major"   : "1"
+        }
+    },
     {
         "desc"    : "Konqueror",
         "ua"      : "Mozilla/5.0 (compatible; Konqueror/3.5; Linux; X11; x86_64) KHTML/3.5.6 (like Gecko) (Kubuntu)",