diff --git a/vsroom/manifests/init.pp b/vsroom/manifests/init.pp
index 825b812..3f30e1f 100644
--- a/vsroom/manifests/init.pp
+++ b/vsroom/manifests/init.pp
@@ -40,10 +40,7 @@ class vsroom::collab {
         mode    => "0660",
         owner   => "collab",
         group   => "collab",
-        source  => $::operatingsystem ? {
-          "ubuntu": "/usr/local/share/vsroom/htdocs/common/auth_credentials.php",
-          default:  "/usr/share/vsroom/htdocs/common/auth_credentials.php",
-        },
+        source  => "${vsroom::common::htdocs}/common/auth_credentials.php",
         require => [
           File["/srv/wikis/collab/htdocs"],
           Python::Setup::Install["/usr/local/src/vsroom"],