diff --git a/ldap/manifests/init.pp b/ldap/manifests/init.pp
index 82cd113..b74d7c1 100644
--- a/ldap/manifests/init.pp
+++ b/ldap/manifests/init.pp
@@ -78,6 +78,30 @@ class ldap::auth(
         }
     }
 
+    case $::operatingsystem {
+        "centos","redhat": {
+            if versioncmp($::operatingsystemrelease, "7") < 0 {
+                $member_attr = "uniqueMember"
+            } else {
+                $member_attr = "member"
+            }
+        }
+        "fedora": {
+            if versioncmp($::operatingsystemrelease, "18") < 0 {
+                $member_attr = "uniqueMember"
+            } else {
+                $member_attr = "member"
+            }
+        }
+        "ubuntu": {
+            if versioncmp($::operatingsystemrelease, "12.04") < 0 {
+                $member_attr = "uniqueMember"
+            } else {
+                $member_attr = "member"
+            }
+        }
+    }
+
     if $::kernel == "Linux" {
         include nscd
     }
diff --git a/ldap/templates/nslcd.conf.erb b/ldap/templates/nslcd.conf.erb
index eb2d67f..9109002 100644
--- a/ldap/templates/nslcd.conf.erb
+++ b/ldap/templates/nslcd.conf.erb
@@ -21,13 +21,13 @@ map    passwd gecos            displayName
 map    passwd loginShell       "${loginShell:-/bin/bash}"
 map    passwd homeDirectory    "${unixHomeDirectory:-/home/$sAMAccountName}"
 filter group  (&(objectClass=group)(gidNumber=*))
-<%   if @operatingsystem == "CentOS" or (@operatingsystem == "Ubuntu" and scope.function_versioncmp([@operatingsystemrelease, '12.04']) < 0) -%>
-map group uniqueMember member
+<%   if @member_attr != "member" -%>
+map group <%= @member_attr %> member
 <%   end -%>
 <% else -%>
 pagesize 500
-<%   if @operatingsystem != "CentOS" and (@operatingsystem == "Ubuntu" and scope.function_versioncmp([@operatingsystemrelease, '12.04']) >= 0) -%>
-map group member uniqueMember
+<%   if @member_attr != "uniqueMember" -%>
+map group <%= @member_attr %> uniqueMember
 <%   end -%>
 <% end -%>
 <% if @auth == 'bind' -%>