diff --git a/tasks/main.yml b/tasks/main.yml
index 287485b..e854ffc 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -20,10 +20,9 @@
     line: "{{ item.ip }}    {{ item.hosts }}"
   with_items:
     - ip: "127.0.0.1"
-      hosts: "{{ inventory_hostname }}.{{ mydomain }} {{ inventory_hostname }} localhost localhost.localdomain"
+      hosts: "{{ inventory_hostname }} {{ inventory_hostname.split('.')[0] }} localhost localhost.localdomain"
     - ip: "::1"
-      hosts: "{{ inventory_hostname }}.{{ mydomain }} {{ inventory_hostname }} localhost localhost.localdomain"
-  when: mydomain is defined
+      hosts: "{{ inventory_hostname }} {{ inventory_hostname.split('.')[0] }} localhost localhost.localdomain"
 
 - import_tasks: "pkg_Alpine.yml"
   when: ansible_distribution == 'Alpine'
diff --git a/templates/hostname.j2 b/templates/hostname.j2
index 1ee9db5..c2786e3 100644
--- a/templates/hostname.j2
+++ b/templates/hostname.j2
@@ -1 +1 @@
-{{ inventory_hostname }}
\ No newline at end of file
+{{ inventory_hostname.split(".")[0] }}
\ No newline at end of file