diff --git a/inventory/aztest b/inventory/aztest
index 1de8b89..d7e8cd4 100644
--- a/inventory/aztest
+++ b/inventory/aztest
@@ -1,5 +1,8 @@
+[all:vars]
+ansible_ssh_user=ubuntu
+
 [head]
-node11.opencloud.cs.arizona.edu ansible_ssh_user=ubuntu
+node11.opencloud.cs.arizona.edu
 
 [compute]
-node12.opencloud.cs.arizona.edu ansible_ssh_user=ubuntu
+node12.opencloud.cs.arizona.edu