diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 974d1ef7..1c73f70d 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -43,7 +43,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-          ref: {{ github.event.inputs.ref }}
+          ref: ${{ github.event.inputs.ref }}
 
       - name: build release
         if: startsWith(github.ref, 'refs/tags/')