diff --git a/phpBB/adm/index.php b/phpBB/adm/index.php
index 3c984f8290..2e4089c02e 100644
--- a/phpBB/adm/index.php
+++ b/phpBB/adm/index.php
@@ -199,7 +199,7 @@ function adm_page_footer($copyright_html = true)
 		'DEBUG_OUTPUT'		=> (defined('DEBUG')) ? $debug_output : '',
 		'TRANSLATION_INFO'	=> (!empty($user->lang['TRANSLATION_INFO'])) ? $user->lang['TRANSLATION_INFO'] : '',
 		'S_COPYRIGHT_HTML'	=> $copyright_html,
-		'CREDIT_LINE'		=> $user->lang('POWERED_BY', '<a href="http://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group'),
+		'CREDIT_LINE'		=> $user->lang('POWERED_BY', '<a href="https://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group'),
 		'VERSION'			=> $config['version'])
 	);
 
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 8e7e84bf83..ca58220619 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -3921,7 +3921,7 @@ function msg_handler($errno, $msg_text, $errfile, $errline)
 			echo '	</div>';
 			echo '	</div>';
 			echo '	<div id="page-footer">';
-			echo '		Powered by <a href="http://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group';
+			echo '		Powered by <a href="https://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group';
 			echo '	</div>';
 			echo '</div>';
 			echo '</body>';
@@ -4741,7 +4741,7 @@ function page_footer($run_cron = true)
 	$template->assign_vars(array(
 		'DEBUG_OUTPUT'			=> (defined('DEBUG')) ? $debug_output : '',
 		'TRANSLATION_INFO'		=> (!empty($user->lang['TRANSLATION_INFO'])) ? $user->lang['TRANSLATION_INFO'] : '',
-		'CREDIT_LINE'			=> $user->lang('POWERED_BY', '<a href="http://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group'),
+		'CREDIT_LINE'			=> $user->lang('POWERED_BY', '<a href="https://www.phpbb.com/">phpBB</a>&reg; Forum Software &copy; phpBB Group'),
 
 		'U_ACP' => ($auth->acl_get('a_') && !empty($user->data['is_registered'])) ? append_sid("{$phpbb_root_path}adm/index.$phpEx", false, true, $user->session_id) : '')
 	);