diff --git a/plugins/org.eclipse.dd.examples.pda/samples/stack.pda b/plugins/org.eclipse.dd.examples.pda/samples/stack.pda
index 99e4283719c..c7fa1628b9c 100644
--- a/plugins/org.eclipse.dd.examples.pda/samples/stack.pda
+++ b/plugins/org.eclipse.dd.examples.pda/samples/stack.pda
@@ -1,3 +1,13 @@
+push 5
+:thread_create
+exec stack
+dec 
+dup
+branch_not_zero thread_create
+push finished
+output 
+halt
+:stack
 push 100
 :inner
 dup