diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index f933e366..f4dcb531 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -179,7 +179,11 @@ jobs:
                   echo $Env:MS_CODESIGN_PUBLIC_KEY_CLIENT > keys/code-signing/public-key-client.pem
                   echo $Env:MS_CODESIGN_PUBLIC_KEY_SERVER > keys/code-signing/public-key-server.pem
             - name: Grunt
+              if: ${{ github.repository == 'keeweb/keeweb' }}
               run: grunt desktop-win32
+            - name: Grunt
+              if: ${{ github.repository != 'keeweb/keeweb' }}
+              run: grunt desktop-win32 --skip-sign
             - name: Upload ia32 exe artifact
               uses: actions/upload-artifact@v1
               with: