diff --git a/.github/workflows/frontend-test-action.yml b/.github/workflows/frontend-test-action.yml
index 33e4f08926..4750d9778a 100644
--- a/.github/workflows/frontend-test-action.yml
+++ b/.github/workflows/frontend-test-action.yml
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        file: ${{ needs.get-e2e-files.outputs.file_list }}
+        file: ${{ fromJSON(needs.get-e2e-files.outputs.file_list) }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4