diff --git a/manifests/globals.pp b/manifests/globals.pp
index bc95969..17cc854 100644
--- a/manifests/globals.pp
+++ b/manifests/globals.pp
@@ -104,7 +104,7 @@ class postgresql::globals (
   # Setup of the repo only makes sense globally, so we are doing this here.
   if($manage_package_repo) {
     # Workaround the lack of RHEL7 repositories for now.
-    unless ($::operatingsystem == 'RedHat') and ($::operatingsystemrelease =~ /^7/) {
+    if ! ($::operatingsystem == 'RedHat') and ($::operatingsystemrelease =~ /^7/) {
       class { 'postgresql::repo':
         ensure  => $ensure,
         version => $globals_version