diff --git a/manifests/globals.pp b/manifests/globals.pp
index 103cc8d..64ecd75 100644
--- a/manifests/globals.pp
+++ b/manifests/globals.pp
@@ -49,6 +49,7 @@ class postgresql::globals (
     /^(RedHat|Linux)/ => $::operatingsystem ? {
       'Fedora' => $::operatingsystemrelease ? {
         /^(18|19|20)$/ => '9.2',
+        /^(17)$/ => '9.1',
         default => undef,
       },
       'Amazon' => '9.2',