diff --git a/ccp/js/executionhistorycontroller.js b/ccp/js/executionhistorycontroller.js
index 87880c2..fe5d5a1 100644
--- a/ccp/js/executionhistorycontroller.js
+++ b/ccp/js/executionhistorycontroller.js
@@ -260,7 +260,7 @@ class CCPExecutionHistory extends HTMLElement {
   
   connectNewExecution(){
     document.addEventListener("newexecution", ev=>{
-      this.pending.push(ev.detail)
+      this.#pending.push(ev.detail)
     })
   }