diff --git a/tasks/section_5/cis_5.6.x.yml b/tasks/section_5/cis_5.6.x.yml
index 420ce12..a9eaf75 100644
--- a/tasks/section_5/cis_5.6.x.yml
+++ b/tasks/section_5/cis_5.6.x.yml
@@ -90,14 +90,14 @@
       - name: "5.6.5 | PATCH | Ensure default user umask is 027 or more restrictive | Set umask for /etc/bashrc"
         replace:
             path: /etc/bashrc
-            regexp: '(^\s+umask) 0[012][0-6]'
-            replace: '\1 027'
+            regexp: '^(\s+UMASK|UMASK)\s0[0-2][0-6]'
+            replace: 'UMASK 027'
 
       - name: "5.6.5 | PATCH | Ensure default user umask is 027 or more restrictive | Set umask for /etc/profile"
         replace:
             path: /etc/profile
-            regexp: '(^\s+umask) 0[012][0-6]'
-            replace: '\1 027'
+            regexp: '^(\s+UMASK|UMASK)\s0[0-2][0-6]'
+            replace: 'UMASK 027'
   when:
       - rhel9cis_rule_5_6_5
   tags: