diff --git a/.github/workflows/pierre-test-windows-code-sign.yml b/.github/workflows/pierre-test-windows-code-sign.yml
index b0b59fa4c..4b286ade6 100644
--- a/.github/workflows/pierre-test-windows-code-sign.yml
+++ b/.github/workflows/pierre-test-windows-code-sign.yml
@@ -37,3 +37,8 @@ jobs:
           msiexec /i Keylockertools-windows-x64.msi /quiet /qn
           smksp_cert_sync.exe
         shell: cmd
+
+      - name: List certs
+        shell: pwsh
+        run: |
+          Get-ChildItem -Recurse Cert: -CodeSigningCert | Select-Object -Property Subject,PSParentPath,Thumbprint