diff --git a/appveyor.yml b/appveyor.yml
index b80e36e..fd6e9fd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,7 +11,9 @@ environment:
       PYTHON_ARCH: 64
 
 install:
-  - set PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%
+  - set PATH=%PYTHON%;%PYTHON%\Scripts;%PATH%
+  - echo %PATH%
+  - pip --version
   - pip install pybind11
   - pip install wheel