diff --git a/lib/de.block.js b/lib/de.block.js
index d79c80b..ab4732a 100644
--- a/lib/de.block.js
+++ b/lib/de.block.js
@@ -279,8 +279,10 @@ de.Block.prototype.run = function(params, context) {
             options.after(params, context, result);
         }
 
-        if (options.result) {
-            result = new de.Result.Value( options.result( result.object(), context, params ) );
+        if (!(result instanceof de.Result.Error)) {
+            if (options.result) {
+                result = new de.Result.Value( options.result( result.object(), context, params ) );
+            }
         }
 
         if (options.template) {