diff --git a/layouts/partials/toc.html b/layouts/partials/toc.html
index e9dc950f..b3170110 100644
--- a/layouts/partials/toc.html
+++ b/layouts/partials/toc.html
@@ -33,7 +33,7 @@
         h.each(function (i, e) {
           e = $(e);
           if (e.offset().top - $(window).height()/3 <= currentScroll) {
-            id = e.attr('id');
+            id = decodeURIComponent(e.attr('id'));
           }
         });
         var active = $toc.find('a.active');      
@@ -62,4 +62,4 @@
     }
   })();
 </script>
-{{ end }}
\ No newline at end of file
+{{ end }}