diff --git a/roles/ceph-docker-common/tasks/main.yml b/roles/ceph-docker-common/tasks/main.yml
index 34a35acfe..c27a6791d 100644
--- a/roles/ceph-docker-common/tasks/main.yml
+++ b/roles/ceph-docker-common/tasks/main.yml
@@ -47,7 +47,7 @@
 # AND
 # we are not playing rolling-update.yml playbook.
 - name: check if a cluster is already running
-  command: "docker ps -q --filter=\'name=ceph-mon-{{ ansible_hostname }}\'"
+  command: "docker ps -q --filter='name=ceph-mon-{{ ansible_hostname }}'"
   register: ceph_health
   changed_when: false
   failed_when: false