diff --git a/assets/js/site.js b/assets/js/site.js
index 8a1590e..fe9b9a8 100644
--- a/assets/js/site.js
+++ b/assets/js/site.js
@@ -282,6 +282,9 @@ $(document).ready(function() {
         if (shownServers) {
             var keys = Object.keys(rawData);
 
+            hiddenGraphData = [];
+            displayedGraphData = [];
+
             for (var i = 0; i < keys.length; i++) {
                 var name = keys[i];