diff --git a/.github/workflows/update-trivy-cache.yml b/.github/workflows/update-trivy-cache.yml
index dd39f3080..6d2fea0be 100644
--- a/.github/workflows/update-trivy-cache.yml
+++ b/.github/workflows/update-trivy-cache.yml
@@ -10,7 +10,7 @@ permissions: read-all
 jobs:
   update-trivy-db:
     runs-on: ubuntu-latest
-    if: ${{ github.ref == github.event.repository.default_branch }}
+    if: ${{ github.ref_name == github.event.repository.default_branch }}
     steps:
       - name: Setup oras
         uses: oras-project/setup-oras@9c92598691bfef1424de2f8fae81941568f5889c # v1.2.1