diff --git a/tasks/swarm_mgr.yml b/tasks/swarm_mgr.yml
index 349cba1..b078e40 100644
--- a/tasks/swarm_mgr.yml
+++ b/tasks/swarm_mgr.yml
@@ -10,7 +10,7 @@
   - name: Initialize the cluster
     docker_swarm:
       state: present
-      advertise_addr: '{{ +docker_swarm_manager_advertise_address }}'
+      advertise_addr: '{{ docker_swarm_manager_advertise_address }}'
   when:
     - docker_swarm_manager | bool
     - docker_swarm_manager_main_node | bool