diff --git a/manifests/db/postgresql.pp b/manifests/db/postgresql.pp
index 18fc3059..febbb440 100644
--- a/manifests/db/postgresql.pp
+++ b/manifests/db/postgresql.pp
@@ -32,8 +32,8 @@ define openstacklib::db::postgresql (
   $privileges = 'ALL',
 ){
 
-  if ((($::operatingsystem == 'RedHat' or $::operatingsystem == 'CentOS') and $::operatingsystemmajrelease <= 6)
-    or ($::operatingsystem == 'Fedora' and $::operatingsystemmajrelease <= 14)) {
+  if ((($::operatingsystem == 'RedHat' or $::operatingsystem == 'CentOS') and (versioncmp($::operatingsystemmajrelease, '6') <= 0))
+    or ($::operatingsystem == 'Fedora' and (versioncmp($::operatingsystemmajrelease, '14') <= 0))) {
     warning('The system packages handling the postgresql infrastructure for OpenStack are out of date and should not be relied on for database migrations.')
   }