diff --git a/ts/domtools.classes.elementinstrumenter.ts b/ts/domtools.classes.elementinstrumenter.ts
index 86826bf..00f96fe 100644
--- a/ts/domtools.classes.elementinstrumenter.ts
+++ b/ts/domtools.classes.elementinstrumenter.ts
@@ -16,6 +16,8 @@ export class ElementInstrumenter {
       this.connectedElements.remove(elementArg);
       originalDisconnectedCallback.apply(elementArg);
     };
+    this.connectedElements.add(elementArg);
+
   }
 
   public async forEachelement(eachFuncArg: (elementArg: LitElement) => Promise<void>) {