diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 02de7739..294284d4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -290,7 +290,7 @@ jobs:
       SIGNTOOL_PATH: "C:/Program Files (x86)/Windows Kits/10/bin/10.0.19041.0/x86/signtool.exe"
       WIN_CERT_PASSWORD: ${{ secrets[matrix.config.certificate-password-secret] }}
       WIN_CERT_CONTAINER_NAME: ${{ secrets[matrix.config.certificate-container] }}
-      WIN_SIGNING_ENABLED: ${{ !github.event.pull_request.head.repo.fork }}
+      WIN_SIGNING_ENABLED: ${{ secrets[matrix.config.certificate-password-secret] != '' }}
 
     strategy:
       matrix: