diff --git a/app/views/application/_analytical_fire_events.html.erb b/app/views/application/_analytical_fire_events.html.erb
index 5ac358c..523f69b 100644
--- a/app/views/application/_analytical_fire_events.html.erb
+++ b/app/views/application/_analytical_fire_events.html.erb
@@ -2,7 +2,7 @@
 var commands;
 
 try {
-  commands = $.parseJSON(decodeURIComponent(($.cookie('analytical') || '').replace(/\+/g, '%20'))) || [];
+  commands = $.parseJSON(decodeURIComponent(($.cookie('analytical') || '').replace(/\+/g, '%20')) || '[]');
 } catch(e) {
   commands = [];
 }