diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c8c9759..01bd6a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,11 +57,11 @@ jobs:
           PY_COLORS: '1'
           ANSIBLE_FORCE_COLOR: '1'
           MOLECULE_DISTRO: ${{ matrix.os }}
-          cmk_omd_host: ${{ vars.OMD_HOST }}
-          cmk_omd_protocol: https
-          cmk_omd_site: ${{ vars.OMD_SITE }}
-          cmk_username: ${{ vars.OMD_USERNAME }}
-          cmk_secret: ${{ secrets.OMD_SECRET }}
+          CMK_OMD_HOST: ${{ vars.OMD_HOST }}
+          CMK_OMD_PROTOCOL: https
+          CMK_OMD_SITE: ${{ vars.OMD_SITE }}
+          CMK_USERNAME: ${{ vars.OMD_USERNAME }}
+          CMK_SECRET: ${{ secrets.OMD_SECRET }}
   release:
     runs-on: ubuntu-latest
     needs: