diff --git a/.github/workflows/ansible-integration-workflow.yaml b/.github/workflows/ansible-integration-workflow.yaml
index f721ad4..435604f 100644
--- a/.github/workflows/ansible-integration-workflow.yaml
+++ b/.github/workflows/ansible-integration-workflow.yaml
@@ -36,7 +36,7 @@ on:
             name: docker
           platforms:
             - name: instance
-              image: geerlingguy/docker-${MOLECULE_DISTRO:-debian10}-ansible:latest
+              image: "geerlingguy/docker-\$\{MOLECULE_DISTRO:-debian10\}-ansible:latest"
               command: ${MOLECULE_DOCKER_COMMAND:-""}
               volumes:
                 - /sys/fs/cgroup:/sys/fs/cgroup:ro