diff --git a/package-lock.json b/package-lock.json
index 43cf2b3..a2fe1cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@looker/embed-sdk",
-  "version": "2.0.8",
+  "version": "2.0.9",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@looker/embed-sdk",
-      "version": "2.0.8",
+      "version": "2.0.9",
       "license": "MIT",
       "dependencies": {
         "@looker/chatty": "^2.3.10",
diff --git a/package.json b/package.json
index a9faea6..c855f6a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@looker/embed-sdk",
-  "version": "2.0.8",
+  "version": "2.0.9",
   "description": "A toolkit for embedding Looker",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",
diff --git a/src/EmbedClientEx.ts b/src/EmbedClientEx.ts
index 9c74721..a126360 100644
--- a/src/EmbedClientEx.ts
+++ b/src/EmbedClientEx.ts
@@ -23,7 +23,11 @@
  SOFTWARE.
 
  */
-import type { ChattyHost, ChattyHostBuilder } from '@looker/chatty'
+import type {
+  CallbackStore,
+  ChattyHost,
+  ChattyHostBuilder,
+} from '@looker/chatty'
 import type {
   CookielessRequestInit,
   EnvClientDialogEvent,
@@ -236,7 +240,10 @@ export class EmbedClientEx implements IEmbedClient {
 
   private async createIframe(url: string, waitUntilLoaded?: boolean) {
     this._hostBuilder = this._sdk.chattyHostCreator(url)
-    const handlers = { ...this._builder.handlers }
+    const handlers: CallbackStore = {}
+    for (const key of Object.keys(this._builder.handlers)) {
+      handlers[key] = [...this._builder.handlers[key]]
+    }
     if (!handlers['session:expired']) {
       handlers['session:expired'] = []
     }