diff --git a/src/main/java/de/hsrm/compiler/Klang/nodes/Block.java b/src/main/java/de/hsrm/compiler/Klang/nodes/Block.java
index c4212eb..fe7a019 100644
--- a/src/main/java/de/hsrm/compiler/Klang/nodes/Block.java
+++ b/src/main/java/de/hsrm/compiler/Klang/nodes/Block.java
@@ -13,7 +13,7 @@ public class Block extends Node {
 
     @Override
     public <R> R welcome(Visitor<R> v) {
-        return null;
+        return v.visit(this);
     }
 
 }
\ No newline at end of file