diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 235d004..6974e8a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,7 +55,7 @@ jobs:
     with:
       environment: Space2Stats API Dev
       stage: pr-${{ github.event.pull_request.number }}
-      pr_number: ${{ github.event.pull_request.number }}
+      pr-number: ${{ github.event.pull_request.number }}
     secrets: inherit
 
   deploy-to-production: