diff --git a/src/main/java/de/neemann/digital/hdl/model2/HDLCircuit.java b/src/main/java/de/neemann/digital/hdl/model2/HDLCircuit.java
index 1e94bd1ea..df21f0d4b 100644
--- a/src/main/java/de/neemann/digital/hdl/model2/HDLCircuit.java
+++ b/src/main/java/de/neemann/digital/hdl/model2/HDLCircuit.java
@@ -233,6 +233,7 @@ public class HDLCircuit implements Iterable<HDLNode>, HDLModel.BitProvider, Prin
                 && !v.equalsDescription(PowerSupply.DESCRIPTION)
                 && !v.equalsDescription(DummyElement.TEXTDESCRIPTION)
                 && !v.equalsDescription(DummyElement.DATADESCRIPTION)
+                && !v.equalsDescription(DummyElement.RECTDESCRIPTION)
                 && !v.equalsDescription(TestCaseElement.TESTCASEDESCRIPTION);
     }