diff --git a/templates/board.html b/templates/board.html
index 7319e0d..d339b77 100644
--- a/templates/board.html
+++ b/templates/board.html
@@ -40,11 +40,11 @@
                 <td class="">
                     <svg viewBox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg">
                         <defs>
-                          <pattern id="img" patternUnits="userSpaceOnUse" width="100" height="100">
+                          <pattern id="img-{{thread.post_num}}" patternUnits="userSpaceOnUse" width="100" height="100">
                             <image xlink:href="https://static.vdk2ch.ru/thread-pics/{{thread.pic_link}}" x="-25" width="150" height="100" />
                           </pattern>
                         </defs>
-                        <polygon points="50 1 95 25 95 75 50 99 5 75 5 25" fill="url(#img)"/>
+                        <polygon points="50 1 95 25 95 75 50 99 5 75 5 25" fill="url(#img-{{thread.post_num}})"/>
                     </svg>
                     <!-- <img src="https://static.vdk2ch.ru/thread-pics/{{thread.pic_link}}" alt="" width="200" height="200"> -->
                 </td>