diff --git a/src/test/resources/launcher-test.crank.txt b/src/test/resources/launcher-test.crank.txt
index 32266d5..54b5461 100644
--- a/src/test/resources/launcher-test.crank.txt
+++ b/src/test/resources/launcher-test.crank.txt
@@ -51,6 +51,7 @@
   message=doesn't matter
 
 config.factory org.apache.sling.crankstart.testservices.ConfigFactoryServlet
+  CRANKSTART_CONFIG_ID=some.unique.ID
   path=/foo
   message=Not used