diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 43bef2d7..df0a4a77 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -71,7 +71,7 @@ jobs:
         run: make -j${nproc}
 
       - name: Webhook
-        if: ${{ github.event_name == 'push' }}
+        if: ${{ github.event_name == 'push' && env.CALCROM_WEBHOOK_URL != '' }}
         run: |
           sudo chmod 755 $GITHUB_WORKSPACE/.github/calcrom/webhook.sh
           $GITHUB_WORKSPACE/.github/calcrom/webhook.sh pmdsky "$CALCROM_WEBHOOK_URL"