diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index baf5cfe..f03e462 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -54,7 +54,7 @@ jobs:
         working-directory: ./spiffworkflow-backend
         run: ./bin/build_and_run_with_docker_compose
         env:
-          SPIFFWORKFLOW_BACKEND_LOAD_FIXTURE_DATA: true
+          SPIFFWORKFLOW_BACKEND_LOAD_FIXTURE_DATA: "true"
       - name: start_frontend
         working-directory: ./spiffworkflow-frontend
         run: ./bin/build_and_run_with_docker_compose