diff --git a/extensions/venkman/resources/content/venkman-static.js b/extensions/venkman/resources/content/venkman-static.js
index 2846299e9f94..2f2914a2a15a 100644
--- a/extensions/venkman/resources/content/venkman-static.js
+++ b/extensions/venkman/resources/content/venkman-static.js
@@ -160,7 +160,8 @@ function dispatch (text, e, flags)
             }
             catch (ex)
             {
-                display (getMsg(MSN_ERR_INTERNAL_DISPATCH, ary[0]), MT_ERROR);
+                display (getMsg(MSN_ERR_INTERNAL_DISPATCH, ary[0].name),
+                         MT_ERROR);
                 display (formatException(ex), MT_ERROR);
             }
             break;