diff --git a/tasks/RedHat.yml b/tasks/RedHat.yml
index 798d412..8c5ea50 100644
--- a/tasks/RedHat.yml
+++ b/tasks/RedHat.yml
@@ -86,11 +86,12 @@
     dest: /etc/hosts
     regexp: "{{ item.regexp }}"
     line: "{{ item.line }}"
+    backrefs: yes
   with_items:
-    - {regexp: "^127.0.0.1.+localdomain4$",
+    - {regexp: "^127\.0\.0\.1.+localdomain4$",
        line: "127.0.0.1   localhost {{ ansible_hostname }}"
       }
-    - {regexp: "^::1.+localdomain6$",
+    - {regexp: "^\:\:1.+localdomain6$",
        line: "::1         localhost {{ ansible_hostname }}"
       }
     - {regexp: "^{{ ansible_default_ipv4.address }}.*{{ ansible_default_ipv4.address.split('.')[-1] }}$",