diff --git a/upload/source/plugin/mobile/api/4/viewthread.php b/upload/source/plugin/mobile/api/4/viewthread.php
index dcda4f9631df08290a98b3cc11d76691886a5261..7d8e386c437027f8a0469686b7933da2956235fc 100644
--- a/upload/source/plugin/mobile/api/4/viewthread.php
+++ b/upload/source/plugin/mobile/api/4/viewthread.php
@@ -132,7 +132,7 @@ class mobile_api {
 			$variable['postlist'][$k]['dateline'] = strip_tags($post['dateline']);
 			$variable['postlist'][$k]['groupiconid'] = mobile_core::usergroupIconId($post['groupid']);
 			if($firstpost['first'] && strpos($firstpost['message'],'[/hide]') !== FALSE ){
-            	$authorreplyexist = false;
+				$authorreplyexist = false;
 				if(!$_G['forum']['ismoderator']) {
 				if($_G['uid']) {
 					$_post = C::t('forum_post')->fetch('tid:'.$_G['tid'], $pid);