diff --git a/roles/dovecot/tasks/main.yml b/roles/dovecot/tasks/main.yml
index 1332dc6..3b7f10d 100644
--- a/roles/dovecot/tasks/main.yml
+++ b/roles/dovecot/tasks/main.yml
@@ -28,7 +28,7 @@
 
 - name: install certificate
   copy:
-    dest: "{{ tls_certs }}/{{ mail_server }}.crt"
+    dest: "{{ tls_certs }}/{{ mail_server }}-fullchain.crt"
     src: "{{ item }}"
     mode: 0644
     owner: root
diff --git a/roles/dovecot/templates/local.conf.j2 b/roles/dovecot/templates/local.conf.j2
index 709e5b3..00be973 100644
--- a/roles/dovecot/templates/local.conf.j2
+++ b/roles/dovecot/templates/local.conf.j2
@@ -1,6 +1,6 @@
 # ssl settings
 ssl = required
-ssl_cert = <{{ tls_certs }}/{{ mail_server }}.crt
+ssl_cert = <{{ tls_certs }}/{{ mail_server }}-fullchain.crt
 ssl_key = <{{ tls_private }}/{{ mail_server }}.key
 
 # kerberos