diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index bc014de9d0..2a6d461ccd 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -3,6 +3,10 @@ freezes: true
 # most of our systems are in phx2
 datacenter: phx2
 
+# most of our systems are 64bit. 
+# Used to install various nagios scripts and the like.
+libdir: /usr/lib64
+
 # example of ports for default iptables
 # tcp_ports: [ 22, 80, 443 ]
 # udp_ports: [ 110, 1024, 2049 ]
diff --git a/inventory/group_vars/arm-releng b/inventory/group_vars/arm-releng
index 189114962c..6af0b9fbd0 100644
--- a/inventory/group_vars/arm-releng
+++ b/inventory/group_vars/arm-releng
@@ -1,4 +1,7 @@
 ---
 fas_client_groups: sysadmin-releng
 freezes: false
+#
+# These are 32bit
+#
 libdir: /usr/lib
diff --git a/vars/global.yml b/vars/global.yml
index 3da58777fa..5767ee7c84 100644
--- a/vars/global.yml
+++ b/vars/global.yml
@@ -10,7 +10,6 @@ tasks: /srv/web/infra/ansible/tasks
 vars:  /srv/web/infra/ansible/vars
 is_fedora: "'$ansible_distribution' == 'Fedora'"                      
 is_rhel:   "'$ansible_distribution' == 'RedHat'"
-libdir: /usr/lib64
 dist_tag: unknown
 auth_keys_from_fas: '/srv/web/infra/ansible/scripts/auth-keys-from-fas'
 el6_qcow_id: ami-00000013