diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 2a9958ba84..2bb12ebbdc 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -70,7 +70,7 @@ p,ul,td {font-size:10pt;}
 <li>Fixed getting group moderator in groupcp.php if running oracle backend - spotted by <b>pakman</b></li>
 <li>Fixed use of non-existing result variable in modcp (poster_id instead of user_id)</li>
 <li>Fixed several vulnerabilities (XSS, SQL Injection and path disclosure) only possible with register_globals enabled - <b>Matthew C. Kavanagh, Janek Vind</b></li>
-<li>
+<li>Fixed problem with SID not delivered to next page in groupcp.php</li>
 </ul>
 
 <a name="207"></a><h3 class="h3">l.ii. Changes since 2.0.7</h3>
diff --git a/phpBB/groupcp.php b/phpBB/groupcp.php
index d9396ef469..87622d4aa2 100644
--- a/phpBB/groupcp.php
+++ b/phpBB/groupcp.php
@@ -1245,7 +1245,7 @@ else
 			$template->assign_block_vars('switch_groups_remaining', array() );
 		}
 
-		$s_hidden_fields = '';
+		$s_hidden_fields = '<input type="hidden" name="sid" value="' . $userdata['session_id'] . '" />';
 
 		$template->assign_vars(array(
 			'L_GROUP_MEMBERSHIP_DETAILS' => $lang['Group_member_details'],