diff --git a/manifests/client.pp b/manifests/client.pp
index 11e064b..adaceea 100644
--- a/manifests/client.pp
+++ b/manifests/client.pp
@@ -36,7 +36,7 @@
 #
 define voms::client ($vo = $name, $servers = []  ) {
    ensure_resource('class','voms::install')
-   Class[Voms::Install] -> Voms::Client[$vo]
+   Class['Voms::Install'] -> Voms::Client[$vo]
 
    file {"/etc/grid-security/vomsdir/${vo}":
                    ensure  => directory,