diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 36580115ea4..fa958819518 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -60,8 +60,8 @@ jobs:
           curl.exe -fsSL -o "libmbedtls.tar.xz" --retry 3 `
             https://github.com/Simn/mingw64-mbedtls/releases/download/${{ env.MBEDTLS_VERSION }}/mingw64-${{ env.MINGW_ARCH }}-mbedtls-${{ env.MBEDTLS_VERSION }}-1.tar.xz
           ${{ env.CYG_ROOT }}\bin\tar.exe -C ${{ env.CYG_ROOT }} -xvf libmbedtls.tar.xz
-          ls $env:LOCALAPPDATA\opam\
-          ls $env:LOCALAPPDATA\opam\bin
+          ls ${{ env.OPAMROOT }}
+          ls ${{ env.OPAMROOT }}\bin
 
       - name: Install OCaml libraries
         shell: pwsh