diff --git a/.github/workflows/system-tests.yaml b/.github/workflows/system-tests.yaml
index 9731fb8e..4057e3c5 100644
--- a/.github/workflows/system-tests.yaml
+++ b/.github/workflows/system-tests.yaml
@@ -7,7 +7,7 @@ on:
 jobs:
   system-tests:
     runs-on: ubuntu-latest
-    if: ${{ github.event.label.name == 'trigger-system-tests' }}
+    if: contains(github.event.pull_request.labels.*.name, 'trigger-system-tests')
     steps:
       - uses: precice/tutorials/.github/workflows/run_testsuite_workflow.yml@develop
         with: