diff --git a/bbs/view_image.php b/bbs/view_image.php
index bc7f8e63e..196df9f4c 100644
--- a/bbs/view_image.php
+++ b/bbs/view_image.php
@@ -4,12 +4,12 @@ include_once('./_common.php');
 $g5['title'] = '이미지 크게보기';
 include_once(G5_PATH.'/head.sub.php');
 
-$filename = preg_replace('/[^A-Za-z0-9 _ .-\/]/', '', $_GET['fn']);
+$filename = preg_replace('/[^A-Za-z0-9 _ .\-\/]/', '', $_GET['fn']);
 
 $extension = pathinfo($filename, PATHINFO_EXTENSION);
 
 if ( ! preg_match('/(jpg|jpeg|png|gif|bmp)$/i', $extension) ){
-    alert_close('확장자가 이미지인것만 요청할수 있습니다.');
+    alert_close('이미지 확장자가 아닙니다.');
 }
 
 if(strpos($filename, 'data/editor')) {