diff --git a/js/pihole/queries.js b/js/pihole/queries.js
index 0ea0e808..9d248cb6 100644
--- a/js/pihole/queries.js
+++ b/js/pihole/queries.js
@@ -1,3 +1,5 @@
+// Define global variables
+var hash;
 $(document).ready(function() {
     // Get auth hash
     hash = document.getElementById("hash").innerHTML;