2 files changed, 2 insertions, 2 deletions

diff --git a/manifests/site.pp b/manifests/site.pp
index 3d40ad2..11bc9ca 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -1,6 +1,6 @@
 node default {
   lookup('classes').each |$class_name, $class_hash| {
-    if empty($class_hash) {
+    if $class_hash == undef  or empty($class_hash) {
       include $class_name
     } else {
       class { $class_name:
diff --git a/modules/base_installation/manifests/services.pp b/modules/base_installation/manifests/services.pp
index 57fbfc3..1659f97 100644
--- a/modules/base_installation/manifests/services.pp
+++ b/modules/base_installation/manifests/services.pp
@@ -1,6 +1,6 @@
 class base_installation::services inherits base_installation {
 
-  if (empty($facts["in_chroot"])) {
+  if $facts["in_chroot"] == undef or empty($facts["in_chroot"]) {
     $ensure = "running"
   } else {
     $ensure = undef