diff --git a/appveyor.yml b/appveyor.yml
index f4516220bc..3abaf6fa3b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,6 +5,7 @@ environment:
     - PYTHON: "C:\\Python27"
     - PYTHON: "C:\\Python33"
 install:
+  - "ls C:\\"
   - ps: (new-object net.webclient).DownloadFile('https://raw.github.com/pypa/pip/master/contrib/get-pip.py', 'C:\\get-pip.py')
   - "%PYTHON%\\python.exe c:\\get-pip.py"
   - "%PYTHON%\\Scripts\\pip.exe install -e ."