diff --git a/ansible/group_vars/all b/ansible/group_vars/all
index 665d5cdfccf013d3bc0ac080119ce3c6c56d6591..c8b78e32b17fab9b821146ddc525941d30aa2a4d 100644
--- a/ansible/group_vars/all
+++ b/ansible/group_vars/all
@@ -4,3 +4,9 @@
   yum_repo_files: []
   pkg_list: []
   slurm_version: 18.08.9
+  
+# NHC related
+  nhc_download_url:
+  nhc_download_path:
+  nhc_git_repo:
+  nhc_git_repo_path: