diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index b515fe0..a93957d 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -25,10 +25,11 @@ jobs:
           AZURE_CLIENT_SECRET: ${{ secrets.AZURE_CLIENT_SECRET }}
           AZURE_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
         run: |
-          env_vars="AZURE_CLIENT_ID=$(echo $AZURE_CLIENT_ID | base64 -w0),"
-          env_vars+="AZURE_CLIENT_SECRET=$(echo $AZURE_CLIENT_SECRET | base64 -w0),"
-          env_vars+="AZURE_TENANT_ID=$(echo $AZURE_TENANT_ID | base64 -w0)"
-          echo "$env_vars" >> $GITHUB_OUTPUT
+          echo "AZURE_CLIENT_ID=$(echo $AZURE_CLIENT_ID | base64 -w0)" >> $GITHUB_ENV
+          echo "AZURE_CLIENT_SECRET=$(echo $AZURE_CLIENT_SECRET | base64 -w0)" >> $GITHUB_ENV
+          echo "AZURE_TENANT_ID=$(echo $AZURE_TENANT_ID | base64 -w0)" >> $GITHUB_ENV
+          env_vars="AZURE_CLIENT_ID=${AZURE_CLIENT_ID},AZURE_CLIENT_SECRET=${AZURE_CLIENT_SECRET},AZURE_TENANT_ID=${AZURE_TENANT_ID}"
+          echo "env_vars=$env_vars" >> $GITHUB_OUTPUT
 
   call_central_workflow:
     name: CI