diff --git a/src/main/java/de/neemann/digital/testing/TestCaseDescription.java b/src/main/java/de/neemann/digital/testing/TestCaseDescription.java
index 99228dbc6..4981d49b5 100644
--- a/src/main/java/de/neemann/digital/testing/TestCaseDescription.java
+++ b/src/main/java/de/neemann/digital/testing/TestCaseDescription.java
@@ -43,6 +43,7 @@ public class TestCaseDescription {
         Parser tdp = new Parser(data).parse();
         lines = tdp.getLines();
         names = tdp.getNames();
+        virtualSignals = tdp.getVirtualSignals();
     }
 
     /**