diff --git a/modules/board/board.controller.php b/modules/board/board.controller.php
index 588f2320b..22ce9927c 100644
--- a/modules/board/board.controller.php
+++ b/modules/board/board.controller.php
@@ -299,7 +299,7 @@ class boardController extends board
 		$oMemberModel = getModel('member');
 		$member_info = $oMemberModel->getMemberInfoByMemberSrl($comment->member_srl);
 
-		if($member_info->is_admin == 'Y' && $logged_info->is_admin == 'N')
+		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
 			return new Object(-1, 'msg_admin_comment_no_modify');
 		}
diff --git a/modules/board/board.view.php b/modules/board/board.view.php
index d637e7835..a8bd53a45 100644
--- a/modules/board/board.view.php
+++ b/modules/board/board.view.php
@@ -686,7 +686,7 @@ class boardView extends board
 		{
 			return new Object(-1, 'msg_protect_content');
 		}
-		if($member_info->is_admin == 'Y' && $logged_info->is_admin == 'N')
+		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
 			return new Object(-1, 'msg_admin_document_no_modify');
 		}
@@ -946,7 +946,7 @@ class boardView extends board
 		$oMemberModel = getModel('member');
 		$member_info = $oMemberModel->getMemberInfoByMemberSrl($oComment->member_srl);
 
-		if($member_info->is_admin == 'Y' && $logged_info->is_admin == 'N')
+		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
 			return new Object(-1, 'msg_admin_comment_no_modify');
 		}
diff --git a/modules/comment/comment.controller.php b/modules/comment/comment.controller.php
index 641a70ac8..780a52c0d 100644
--- a/modules/comment/comment.controller.php
+++ b/modules/comment/comment.controller.php
@@ -830,7 +830,7 @@ class commentController extends comment
 				foreach($childs as $val)
 				{
 					$c_member_info = $oMemberModel->getMemberInfoByMemberSrl($val->member_srl);
-					if($c_member_info->is_admin == 'Y' && $logged_info->is_admin == 'N')
+					if($c_member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 					{
 						$deleteAdminComment = FALSE;
 						break;
@@ -859,7 +859,7 @@ class commentController extends comment
 			}
 		}
 
-		if($member_info->is_admin == 'Y' && $logged_info->is_admin == 'N')
+		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
 			return new Object(-1, 'msg_admin_comment_no_delete');
 		}