diff --git a/packages/entity/list/index.js b/packages/entity/list/index.js
index cb5252d..f89b76e 100644
--- a/packages/entity/list/index.js
+++ b/packages/entity/list/index.js
@@ -33,9 +33,11 @@ export class EntityList extends decorate(class {}) {
 
   acceptPacket(packet) {
     if (packet instanceof EntityCreatePacket) {
-      const entity = new Entity(packet.data);
-      entity.instanceUuid = packet.data.uuid;
-      this.addEntity(entity);
+      if (!this.findEntity(packet.data.uuid)) {
+        const entity = new Entity(packet.data);
+        entity.instanceUuid = packet.data.uuid;
+        this.addEntity(entity);
+      }
     }
   }