diff --git a/.github/workflows/reproducible_build.yml b/.github/workflows/reproducible_build.yml
index bc77cee9..862bb19c 100644
--- a/.github/workflows/reproducible_build.yml
+++ b/.github/workflows/reproducible_build.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          ref: ${{ github.event.inputs.branch }}
+          ref: ${{ inputs.branch }}
       - name: Envinfo
         run: npx envinfo
       - name: Install dependencies