1 files changed, 1 insertions, 1 deletions

diff --git a/js/RrdTime.js b/js/RrdTime.js
index c1de1fc..9010ece 100644
--- a/js/RrdTime.js
+++ b/js/RrdTime.js
@@ -27,10 +27,10 @@
  */
 var RrdTimeError = function (message)
 {
-        this.prototype = Error.prototype;
         this.name = "RrdTimeError";
         this.message = (message) ? message : "Error";
 };
+RrdTimeError.prototype = new Error();
 
 /**
  * RrdTime