diff --git a/modules/rhizo_base/manifests/freeswitch.pp b/modules/rhizo_base/manifests/freeswitch.pp
index 48254b2..38dc169 100644
--- a/modules/rhizo_base/manifests/freeswitch.pp
+++ b/modules/rhizo_base/manifests/freeswitch.pp
@@ -16,6 +16,8 @@ class rhizo_base::freeswitch {
 
 class rhizo_base::freeswitch::ubuntu inherits rhizo_base::freeswitch::common {
 
+  $amr_module = "mod_opencore_amr"
+
   file { '/usr/lib/freeswitch/mod/mod_g729.so':
       source  => 'puppet:///modules/rhizo_base/mod_g729.so',
       require => Package['freeswitch'],
@@ -43,6 +45,8 @@ class rhizo_base::freeswitch::debian inherits rhizo_base::freeswitch::common {
 
   include systemd
 
+  $amr_module = "mod_amr"
+
   package {
     [ 'freeswitch-mod-g729' ]:
       ensure  => purged,