diff --git a/appveyor.yml b/appveyor.yml
index 37284be58..373e1bfe4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -31,7 +31,7 @@ test_script:
   # descriptor
   - echo "" | stack clean
   - echo "" | stack -j1 --no-terminal  test
-  - echo "" | stack -j1 --local-bin-path . install pandoc pandoc-citeproc
+  - echo "" | stack -j1 --local-bin-path=.\windows install pandoc pandoc-citeproc
 
 after_test:
     # .\ in the stack commandline seems to be .\windows\ (where the stack-appveyor.yaml is)