diff --git a/firewall.yaml b/firewall.yaml
index c7d82cb..b781e66 100644
--- a/firewall.yaml
+++ b/firewall.yaml
@@ -3,3 +3,4 @@
   roles:
     - role: openvpn
     - role: ssh_server
+      ansible_distribution: "openwrt"
diff --git a/roles/ssh_server/tasks/main.yaml b/roles/ssh_server/tasks/main.yaml
index f7f4211..305f051 100644
--- a/roles/ssh_server/tasks/main.yaml
+++ b/roles/ssh_server/tasks/main.yaml
@@ -24,18 +24,13 @@
         var: vm_public_key['content']
         verbosity: 2
 
-    - name: read hostname
-      shell: /bin/hostname
-      register: hostname_result
-      changed_when: false
-
     - name: generate host request
       set_fact:
         cert_request:
           type: 'sign_request'
           request:
             keyType: 'ssh_host'
-            hostName: '{{ hostname_result.stdout }}.lilik.it'
+            hostName: '{{ ansible_docker_extra_args | default(ansible_hostname) }}.lilik.it'
             keyData: "{{ vm_public_key['content'] | b64decode | replace('\n', '')}}"
 
     - debug: