diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 73298ff..4d9edc2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,7 +6,7 @@ permissions:
   id-token: write
 jobs:
   build:
-    runs-on: git.korhonen.cc/functionalhacker/hugo-asciidoc-docker-ci:latest
+    runs-on: docker://git.korhonen.cc/functionalhacker/hugo-asciidoc-docker-ci:latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4