diff --git a/appveyor.yml b/appveyor.yml
index 4bd002ac6ad4a6c61e4518be6c17e8fb1de0c92e..65328926b9409461477b8d7de89575fc506ce3ae 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -30,7 +30,7 @@ build_script:
   - cmd: python setup.py install
   
 test_script:
-  - cmd: pytest --cov=plio
+  - cmd: pytest plio/
 
 on_success:
   - cmd: conda config --set anaconda_upload yes