diff --git a/page/src/emulator.ts b/page/src/emulator.ts
index 851f4709..889ee12b 100644
--- a/page/src/emulator.ts
+++ b/page/src/emulator.ts
@@ -110,6 +110,7 @@ export class Emulator {
 
   stop() {
     this.worker.terminate();
+    this._setState(EmulationState.Stopped);
     this.terminateResolve(null);
   }