diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index ff31d581..f049a7ee 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -31,4 +31,4 @@ jobs:
                   SENTRY_PROJECT: ${{ secrets.SENTRY_PROJECT }}
                   # SENTRY_URL: https://sentry.io/
               with:
-                  environment: "${{GITHUB_REF_NAME}}"
+                  environment: $GITHUB_REF_NAME