diff --git a/lib/jor1k.js b/lib/jor1k.js
index c195d7e6..d6852b0c 100644
--- a/lib/jor1k.js
+++ b/lib/jor1k.js
@@ -46,7 +46,7 @@ message.Abort = function()
 {
     if(DEBUG)
     {
-        throw "abort";
+        throw new Error("message.Abort()");
     }
 };