diff --git a/src/notebooks/execution/kernelExecution.ts b/src/notebooks/execution/kernelExecution.ts
index 8804043d33fe..ba8062ada5d5 100644
--- a/src/notebooks/execution/kernelExecution.ts
+++ b/src/notebooks/execution/kernelExecution.ts
@@ -57,6 +57,7 @@ export class KernelExecution implements IDisposable {
             context,
             formatters
         );
+        this.disposables.push(requestListener);
         this.executionFactory = new CellExecutionFactory(controller, requestListener);
     }