diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index d52f6f6..c48e47f 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Set branch name for Cloudflare Pages
         id: cf-branch
         run: |
-          if [[ "${{ github.ref_name }}" == "production" ]]; then
+          if [[ "${{ github.event.inputs.environment }}" == "production" ]]; then
             echo "CF_BRANCH_NAME=master" >> $GITHUB_ENV
           else
             echo "CF_BRANCH_NAME=preview" >> $GITHUB_ENV