diff --git a/manifests/group.pp b/manifests/group.pp
index 0a5e129..c858bc7 100644
--- a/manifests/group.pp
+++ b/manifests/group.pp
@@ -24,7 +24,7 @@
     'present', 'installed', default: {
       exec { "yum-groupinstall-${name}":
         command => join(concat(["yum -y group install '${name}'"], $install_options), ' '),
-        unless  => "yum group list hidden '${name}' | egrep -i '^Installed.+Groups:$'",
+        unless  => "test $(yum --assumeno group install '${name}' 2>/dev/null| grep -c '^Install.*Package') -eq 0",
         timeout => $timeout,
       }
       if $ensure == 'latest' {