diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8af6c28a..0d8266aa 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,7 +28,8 @@ jobs:
     steps:
       - run: echo $PATH
       - run: ld -verbose || true
-      - run: ls -l /usr/bin/cygss* || true
+      - run: ls -l c:/usr/include/openssl* || true
+      - run: ls -l c:/usr/bin/cygss* || true
 
       - name: Checkout tree
         uses: actions/checkout@v4