diff --git a/packages/gitbook/src/components/TableOfContents/PageDocumentItem.tsx b/packages/gitbook/src/components/TableOfContents/PageDocumentItem.tsx
index 13b3988873..970f708157 100644
--- a/packages/gitbook/src/components/TableOfContents/PageDocumentItem.tsx
+++ b/packages/gitbook/src/components/TableOfContents/PageDocumentItem.tsx
@@ -10,6 +10,7 @@ import { ToggleableLinkItem } from './ToggleableLinkItem';
 
 export function PageDocumentItem(props: { page: ClientTOCPageDocument }) {
     const { page } = props;
+    const title = page.sidebarTitle || page.title;
 
     return (
         <li className="flex flex-col">
@@ -41,10 +42,10 @@ export function PageDocumentItem(props: { page: ClientTOCPageDocument }) {
                 {page.emoji || page.icon ? (
                     <span className="flex items-center gap-3">
                         <TOCPageIcon page={page} />
-                        {page.title}
+                        {title}
                     </span>
                 ) : (
-                    page.title
+                    title
                 )}
             </ToggleableLinkItem>
         </li>
diff --git a/packages/gitbook/src/components/TableOfContents/encodeClientTableOfContents.ts b/packages/gitbook/src/components/TableOfContents/encodeClientTableOfContents.ts
index 3c3820c3f0..470064b5d1 100644
--- a/packages/gitbook/src/components/TableOfContents/encodeClientTableOfContents.ts
+++ b/packages/gitbook/src/components/TableOfContents/encodeClientTableOfContents.ts
@@ -19,6 +19,7 @@ export type ClientTOCPageDocument = {
     type: 'document';
     id: string;
     title: string;
+    sidebarTitle?: string;
     href: string;
     emoji?: string;
     icon?: string;
@@ -73,6 +74,7 @@ export async function encodeClientTableOfContents(
                     removeUndefined({
                         id: page.id,
                         title: page.title,
+                        sidebarTitle: page.sidebarTitle,
                         href,
                         emoji: page.emoji,
                         icon: page.icon,