diff --git a/ccp/js/executionhistorycontroller.js b/ccp/js/executionhistorycontroller.js
index 666db40..b94694c 100644
--- a/ccp/js/executionhistorycontroller.js
+++ b/ccp/js/executionhistorycontroller.js
@@ -8,7 +8,7 @@ class CCPExecutionHistory extends HTMLElement {
   #data = [];
   #pending = [];
   #filtered = [];
-  #sockets = null;
+  #socket = null;
   #interval = null;
   #searchfield = null;
   #fileupload = null;