diff --git a/cookbooks/aws-parallelcluster-shared/resources/package_repos/package_repos_alinux2.rb b/cookbooks/aws-parallelcluster-shared/resources/package_repos/package_repos_alinux2.rb
index 82bb73ed0..d8c10e3b1 100644
--- a/cookbooks/aws-parallelcluster-shared/resources/package_repos/package_repos_alinux2.rb
+++ b/cookbooks/aws-parallelcluster-shared/resources/package_repos/package_repos_alinux2.rb
@@ -22,7 +22,7 @@
 action :setup do
   include_recipe 'yum'
   alinux_extras_topic 'epel'
-  if region.start_with?("us-iso")
+  if aws_region.start_with?("us-iso")
       bash "Disable epel repo" do
         user 'root'
         group 'root'