diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index 7a10a94..502b9d8 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -12,7 +12,7 @@ jobs:
   test:
     strategy:
       matrix:
-        environment: [customera, customerb, customerc]
+        environment: ${{ fromJSON(vars.environment_list) }}
     runs-on: ubuntu-latest
     environment: ${{matrix.environment}}
     steps: