diff --git a/src/Signal.js b/src/Signal.js
index 23469c6..338cc01 100644
--- a/src/Signal.js
+++ b/src/Signal.js
@@ -205,9 +205,18 @@
             if (! this.active) {
                 return;
             }
+            
+            /**
+             * When copying the arguments variable using Array.prototype.slice.call V8 disables optimization for the calling method.
+             * We avoid this issue here by coping arguments to a pre-allocated array.
+             * see https://code.google.com/p/v8/issues/detail?id=3037
+             */
+            var len = arguments.length, paramsArr = new Array(len);
+            for (var i=0; i < len; ++i) {
+                paramsArr[i] = arguments[i];
+            }
 
-            var paramsArr = Array.prototype.slice.call(arguments),
-                n = this._bindings.length,
+            var n = this._bindings.length,
                 bindings;
 
             if (this.memorize) {