diff --git a/appveyor.yml b/appveyor.yml
index d9f53e6..1c3a1fc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -18,4 +18,5 @@ build_script:
   - cmd: set PATH=%PATH%;C:\ProgramData\chocolatey\lib\make\tools
   - cmd: cd build
   - cmd: cmake -DCMAKE_BUILD_TYPE=Debug ..
+  - cmd: dir
   - cmd: make