diff --git a/lib/util.js b/lib/util.js
index 425e8a3a..b73c2ced 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -55,6 +55,17 @@
             }
         },
         
+        this.bind           =  function(callback) {
+            var result,
+                args    = Util.slice(arguments, 1),
+                bind    = Function.prototype.bind;
+            
+            args.unshift(null);
+            result      = bind.apply(callback, args);
+            
+            return result;
+        };
+        
         /**
          * ad new line (if it's not)
          * @param {string} pText
@@ -710,17 +721,13 @@
          * return save exec function
          * @param callback
          */
-        this.retExec                = function(callback) {
-            var args            = Util.slice(arguments);
+        this.retExec                = function() {
+            var result,
+                exec    = Util.exec.bind(Util);
             
-            return function() {
-                var argsLocal = Util.slice(arguments);
-                    callback;
-                
-                argsLocal   = args.concat(argsLocal);
-                
-                Util.exec.apply(null, argsLocal);
-            };
+            result  = Util.bind.apply(exec, arguments);
+            
+            return result;
         };
         
         /**