diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 97e809e..7d73d25 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,10 +41,10 @@ jobs:
     runs-on: ubuntu-latest
     needs: tests
 
-    if: ${{ github.ref == 'ref/head/prod' || github.ref == 'ref/head/master' }}
+    if: ${{ github.ref == 'refs/heads/prod' || github.ref == 'refs/heads/master' }}
 
     # Fake ternary, see https://github.com/actions/runner/issues/409#issuecomment-752775072
-    environment: ${{ ( github.ref == 'ref/head/prod' && 'prod' ) || 'test' }}
+    environment: ${{ ( github.ref == 'refs/heads/prod' && 'prod' ) || 'test' }}
 
     steps:
     - uses: actions/checkout@v3
@@ -56,7 +56,6 @@ jobs:
     - name: Install dependencies
       run: |
         set -eux
-        pipx install awscli
         npm install -g grunt-cli@1.3.2 bower@^1.8.12
         npm install
         bower install
@@ -77,7 +76,7 @@ jobs:
 
     - name: Deploy
       run: |
-        awscli s3 sync \
+        aws s3 sync \
           ./dist \
           s3://${{ vars.DEPLOY_S3_BUCKET_NAME }} \
           --region ${{ vars.DEPLOY_S3_REGION }} \