diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index 7534e7c..44ffcda 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -1,6 +1,3 @@
-# This file was auto-generated by the Firebase CLI
-# https://github.com/firebase/firebase-tools
-
 name: Deploy to Firebase Hosting on PR
 'on': pull_request_target
 jobs:
@@ -8,10 +5,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-        with:
-          ref: ${{ github.head_ref }}
+      - name: Set branch name
+        run: echo "BRANCH_NAME=${{ github.head_ref }}" >> $GITHUB_ENV
       - uses: FirebaseExtended/action-hosting-deploy@v0
         with:
           repoToken: '${{ secrets.GITHUB_TOKEN }}'
           firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_ASTAR_TOKEN_API }}'
           projectId: astar-token-api
+          onlyBranches: ${{ env.BRANCH_NAME }}