diff --git a/appveyor.yml b/appveyor.yml
index c7e966f..37b0559 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,5 +7,5 @@ install:
 build: off
 
 test_script:
-- ps: start-sleep 120; echo done
+- ps: start-sleep 120; exit 42