diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index 6caec88..dd94cd5 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -34,4 +34,4 @@ jobs:
 
       - name: Test installation
         run: |
-          %PHARO% --headless Pharo.image eval 'SystemVersion current printString'
+          "$Env:PHARO" --headless Pharo.image eval 'SystemVersion current printString'