diff --git a/roles/monitoring_server/tasks/install_alertmanager_container.yml b/roles/monitoring_server/tasks/install_alertmanager_container.yml
index cd53cfe5..0c2a7e03 100644
--- a/roles/monitoring_server/tasks/install_alertmanager_container.yml
+++ b/roles/monitoring_server/tasks/install_alertmanager_container.yml
@@ -21,7 +21,7 @@
     image: "{{ monitoring_server_alertmanager.image }}"
     state: started
     user: "{{ monitoring_server_uid }}:{{ monitoring_server_gid }}"
-    command: "{% for key in monitoring_server_alertmanager.commandline_args %}--{{ key }}={{ monitoring_server_alertmanager.commandline_args[key] }}{% endfor %}" # noqa yaml[line-length]
+    command: "{% for key in monitoring_server_alertmanager.commandline_args %}--{{ key }}={{ monitoring_server_alertmanager.commandline_args[key] }} {% endfor %}" # noqa yaml[line-length]
     networks:
       - name: monitor-net
     volumes: