diff --git a/global/overlay/etc/puppet/manifests/cosmos-site.pp b/global/overlay/etc/puppet/manifests/cosmos-site.pp
index d39c3b83..6f45900f 100644
--- a/global/overlay/etc/puppet/manifests/cosmos-site.pp
+++ b/global/overlay/etc/puppet/manifests/cosmos-site.pp
@@ -263,7 +263,7 @@ class eidas_proxy {
 }
 
 class prid() {
-   hostname = $::fqdn
+   $hostname = $::fqdn
    sunet::docker_run {'eidas_proxy':
       image     => 'docker.sunet.se/prid-service',
       imagetag  => '1.0.0',