diff --git a/.github/workflows/reusable-merge-conflict-check.yml b/.github/workflows/reusable-merge-conflict-check.yml
index 8165dde..c97c8a5 100644
--- a/.github/workflows/reusable-merge-conflict-check.yml
+++ b/.github/workflows/reusable-merge-conflict-check.yml
@@ -40,12 +40,14 @@ jobs:
     steps:
       - name: "Create label if it doesn't exist"
         uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        env:
+          DIRTY_LABEL: ${{ inputs.dirtyLabel }}
         with:
           script: |
             try {
               await github.rest.issues.createLabel({
                 ...context.repo,
-                name: "${{ inputs.dirtyLabel }}"
+                name: "${DIRTY_LABEL}"
               });
             } catch(e) {
               // Ignore if labels exist already.