diff --git a/services/minecraft/src/cognitive/perception/events/index.ts b/services/minecraft/src/cognitive/perception/events/index.ts
index f1ad37280..8b477c9b5 100644
--- a/services/minecraft/src/cognitive/perception/events/index.ts
+++ b/services/minecraft/src/cognitive/perception/events/index.ts
@@ -96,6 +96,10 @@ export class EventRegistry {
       clearInterval(this.timer)
       this.timer = null
     }
+    // NOTICE: Nullify context so that any stale mineflayer listeners that fire
+    // after stop() (but before detachFromBot()) are silently ignored by the
+    // guard at the top of handleMineflayerEvent.
+    this.context = null
   }
 
   public getDebugSnapshot(): SaliencySnapshot {