diff --git a/modules/file/tpl/file_list.html b/modules/file/tpl/file_list.html
index 391db90ff..6fa86c0df 100644
--- a/modules/file/tpl/file_list.html
+++ b/modules/file/tpl/file_list.html
@@ -17,7 +17,7 @@ xe.lang.msg_empty_search_keyword = '{$lang->msg_empty_search_keyword}';
 			<a href="{getUrl('isvalid', 'Y')}" class="active"|cond="$isvalid == 'Y'">{$lang->is_valid}<block cond="$isvalid == 'Y'">({number_format($total_count)})</block></a>
 			<i>|</i>
 			<a href="{getUrl('isvalid', 'N')}" class="active"|cond="$isvalid == 'N'">{$lang->is_stand_by}<block cond="$isvalid == 'N'">({number_format($total_count)})</block></a>
-			
+
 			<span class="x_pull-right"><a href="#listManager" class="x_btn modalAnchor" onclick="getFileList();">{$lang->delete}</a></span>
 		</caption>
 		<thead>
@@ -92,7 +92,7 @@ xe.lang.msg_empty_search_keyword = '{$lang->msg_empty_search_keyword}';
 				<!--@endif-->
 				<!-- one document end -->
 			<tr>
-				<td>	<!--@if(preg_match("/\.(jpg|png|bmp|jpeg|gif)$/i",strtolower($val->source_filename)))-->
+				<td><!--@if(preg_match('/\.(?:bmp|gif|jpe?g|png|webp)$/i', $val->source_filename))-->
 					<img src="{$val->uploaded_filename}" style="width:50px; height:50px">
 					<!--@end-->
 					<a href="{htmlspecialchars_decode($val->download_url)}">{htmlspecialchars($val->source_filename, ENT_COMPAT | ENT_HTML401, 'UTF-8', false)}</a></td>