diff --git a/src/core/platform/web/function.js b/src/core/platform/web/function.js
index d0288654a..b18dd3727 100644
--- a/src/core/platform/web/function.js
+++ b/src/core/platform/web/function.js
@@ -72,7 +72,7 @@ _.extend(BI, {
         if(!_global.navigator) {
             return false;
         }
-        return /safari/i.test(navigator.userAgent.toLowerCase());
+        return /opera/i.test(navigator.userAgent.toLowerCase()) && !/chrome/i.test(navigator.userAgent.toLowerCase());
     },
 
     isKhtml: function () {