diff --git a/appveyor.yml b/appveyor.yml
index 3e42db361..41f08f9f2 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -40,6 +40,7 @@ configuration:
 build_script:
   - cd src/engine
   - build.bat %TOOLSET%
+  - dir
   - cd ../..
 
 test_script: