diff --git a/.github/workflows/run-testsystem.yml b/.github/workflows/run-testsystem.yml
index 216f596..f32db1a 100644
--- a/.github/workflows/run-testsystem.yml
+++ b/.github/workflows/run-testsystem.yml
@@ -30,6 +30,7 @@ jobs:
           sed -i "s|ghcr.io/slub/dfg-viewer|ghcr.io/markusweigelt/dfg-viewer|g" .env
           # overwrite trusted host pattern config with ngrok url
           sed -i "s|APP_T3_CONFIG_SYS_TRUSTEDHOSTSPATTERN=""|APP_T3_CONFIG_SYS_TRUSTEDHOSTSPATTERN=".*:80"|g" .env
+          cat .env
 
       - name: Run DFG-Viewer using Docker Compose
         working-directory: dfg-viewer/Docker