diff --git a/desktop/plugins/public/ui-debugger/index.tsx b/desktop/plugins/public/ui-debugger/index.tsx
index 81954da5b..181083ffa 100644
--- a/desktop/plugins/public/ui-debugger/index.tsx
+++ b/desktop/plugins/public/ui-debugger/index.tsx
@@ -56,7 +56,7 @@ export function plugin(client: PluginClient<Events>) {
   client.onMessage('init', (event) => {
     rootId.set(event.rootId);
     uiState.frameworkEventMonitoring.update((draft) => {
-      event.frameworkEventMetadata.forEach((frameworkEventMeta) => {
+      event.frameworkEventMetadata?.forEach((frameworkEventMeta) => {
         draft.set(frameworkEventMeta.type, false);
       });
     });
diff --git a/desktop/plugins/public/ui-debugger/types.tsx b/desktop/plugins/public/ui-debugger/types.tsx
index 3e2740b74..8ae301b48 100644
--- a/desktop/plugins/public/ui-debugger/types.tsx
+++ b/desktop/plugins/public/ui-debugger/types.tsx
@@ -44,7 +44,7 @@ export type FrameworkEvent = {
 
 export type InitEvent = {
   rootId: Id;
-  frameworkEventMetadata: FrameworkEventMetadata[];
+  frameworkEventMetadata?: FrameworkEventMetadata[];
 };
 
 export type PerfStatsEvent = {