diff --git a/viskit/MyViskitProjects/DefaultProject/EventGraphs/examples/SimpleMachineFailure.xml b/viskit/MyViskitProjects/DefaultProject/EventGraphs/examples/SimpleMachineFailure.xml
index ad872c9652eb9cd6581ba5a65b3d4d4db021ad2b..ab5bd43c6ad40ce491eb30c65e13c8af836d4316 100644
--- a/viskit/MyViskitProjects/DefaultProject/EventGraphs/examples/SimpleMachineFailure.xml
+++ b/viskit/MyViskitProjects/DefaultProject/EventGraphs/examples/SimpleMachineFailure.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<SimEntity name="SimpleMachineFailure" version="0.1" package="examples" xsi:noNamespaceSchemaLocation="http://diana.nps.edu/Simkit/simkit.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<SimEntity name="SimpleMachineFailure" version="0.1" package="examples" extend="SimEntityBase" xsi:noNamespaceSchemaLocation="http://diana.nps.edu/Simkit/simkit.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <Parameter type="int" name="totalNumberMachines"/>
     <Parameter type="int" name="totalNumberRepairPeople"/>
     <Parameter type="simkit.random.RandomVariate" name="timeToFailure"/>