diff --git a/longs/templates/longs/long_display_block.html b/longs/templates/longs/long_display_block.html
index 645e7efe..61ec092c 100755
--- a/longs/templates/longs/long_display_block.html
+++ b/longs/templates/longs/long_display_block.html
@@ -15,7 +15,7 @@
                 {{series.get_block}}
             </a>
 
-<a href="test.html" onclick="return popitup(`/longs/series/${series.pk}`)"
+<a href="test.html" onclick="return popitup(`/longs/series/{{series.pk}}`)"
     >Test</a>
         </span>
         {% endfor %}