diff --git a/.github/workflows/publish-images.yaml b/.github/workflows/publish-images.yaml
index 13e33b4..f9f54ec 100644
--- a/.github/workflows/publish-images.yaml
+++ b/.github/workflows/publish-images.yaml
@@ -90,7 +90,7 @@ jobs:
         uses: haya14busa/action-cond@v1
         with:
           cond: ${{ github.event_name == 'release' }}
-          if_true: ${{ github.release.tag_name }}
+          if_true: ${{ github.event.release.tag_name }}
           if_false: "canary"
 
       - name: Checkout