diff --git a/templates/competition/edit.html b/templates/competition/edit.html
index 5099334..9ee464d 100644
--- a/templates/competition/edit.html
+++ b/templates/competition/edit.html
@@ -439,6 +439,7 @@ document.getElementById('preview_poster').src = `/b/competition/${competition.po
 </script>
 <script>
 // @license magnet:?xt=urn:btih:c80d50af7d3db9be66a4d0a86db0286e4fd33292&dn=bsd-3-clause.txt BSD-3-Clause
+  const competition = JSON.parse({{competition|tojson}})
   var type = competition.type_;
 
   function toggleType(clickedId) {