diff --git a/libs/src/LSPlugin.ts b/libs/src/LSPlugin.ts
index 77de1090d0..f067227bb8 100644
--- a/libs/src/LSPlugin.ts
+++ b/libs/src/LSPlugin.ts
@@ -184,7 +184,7 @@ export interface IAppProxy {
   setZoomFactor: (factor: number) => void
 
   registerUIItem: (
-    type: 'toolbar' | 'page',
+    type: 'toolbar' | 'pagebar',
     opts: { key: string, template: string }
   ) => boolean
 
diff --git a/libs/src/LSPlugin.user.ts b/libs/src/LSPlugin.user.ts
index a9fbae747a..0623f5e9cb 100644
--- a/libs/src/LSPlugin.user.ts
+++ b/libs/src/LSPlugin.user.ts
@@ -27,7 +27,7 @@ const debug = Debug('LSPlugin:user')
 
 const app: Partial<IAppProxy> = {
   registerUIItem (
-    type: 'toolbar' | 'page',
+    type: 'toolbar' | 'pagebar',
     opts: { key: string, template: string }
   ) {
     const pid = this.baseInfo.id