less objects, less garbage collection.
diff --git a/src/main/java/org/apache/ode/jacob/vpu/JacobVPU.java b/src/main/java/org/apache/ode/jacob/vpu/JacobVPU.java
index 7061f96..d70afd8 100644
--- a/src/main/java/org/apache/ode/jacob/vpu/JacobVPU.java
+++ b/src/main/java/org/apache/ode/jacob/vpu/JacobVPU.java
@@ -251,7 +251,7 @@
             LOG.trace(">> [{}] : {}", _cycle, template);
 
             _statistics.numReductionsStruct++;
-            addReaction(template, ClassUtil.RUN_METHOD_ACTION, new Class[]{}, 
+            addReaction(template, ClassUtil.RUN_METHOD_ACTION, null, 
                 LOG.isInfoEnabled() ? template.toString() : null);
         }