diff --git a/View/GrouperGroups/groupmember.ctp b/View/GrouperGroups/groupmember.ctp
index f90ce55..d85b8d6 100644
--- a/View/GrouperGroups/groupmember.ctp
+++ b/View/GrouperGroups/groupmember.ctp
@@ -108,7 +108,7 @@ $collapsed = $config['defaultCollapse'] === 'collapsed' ? true : false;
                                     'group' => $wggroup['workingGroupId'],
                                     'idx' => $key
                                 )) : ''; ?>
-                                <button class="btn btn-grouper btn-block btn-primary btn-sm m-1 text-nowrap members-btn" data-id="<?php echo $wggroup['WGName']; ?>">
+                                <button class="btn btn-grouper btn-block btn-primary btn-sm m-1 text-nowrap members-btn" data-id="<?php echo $wggroup['workingGroupId']; ?>">
                                     <?php echo _txt('pl.grouperlite.action.members'); ?> <em class="material-icons mt-0" aria-hidden="true">group</em>
                                 </button>
                             </span>