diff --git a/.github/workflows/testing-docker-image.yml b/.github/workflows/testing-docker-image.yml
index fb612db..7919369 100644
--- a/.github/workflows/testing-docker-image.yml
+++ b/.github/workflows/testing-docker-image.yml
@@ -23,7 +23,7 @@ jobs:
           echo "[LOG] Done."
           echo ' '
           echo "[LOG] Checking Web UI..."
-          curl --insecure https://iobroker:8081 2> /dev/null | grep '<title>Admin</title>' &> /dev/null || exit 1
+          curl --insecure http://iobroker:8081 2> /dev/null | grep '<title>Admin</title>' &> /dev/null || exit 1
           echo "[LOG] Done."
           echo ' '
           echo "[LOG] Output testrun.log:"