diff --git a/packages/gitbook/src/components/Header/SpacesDropdownMenuItem.tsx b/packages/gitbook/src/components/Header/SpacesDropdownMenuItem.tsx
index 8e790f52b..7e0aa6387 100644
--- a/packages/gitbook/src/components/Header/SpacesDropdownMenuItem.tsx
+++ b/packages/gitbook/src/components/Header/SpacesDropdownMenuItem.tsx
@@ -28,13 +28,15 @@ function useVariantSpaceHref(variantSpace: VariantSpace, currentSpacePath: strin
     }
 
     const firstAlternate = metaLinks?.alternates[0];
-    const computed = firstAlternate ? {
-        pageID: firstAlternate.pageID,
-        spaceID: firstAlternate.space?.id
-    } : {
-        pageID: currentPage?.id,
-        spaceID: currentPage?.spaceId
-    };
+    const computed = firstAlternate
+        ? {
+              pageID: firstAlternate.pageID,
+              spaceID: firstAlternate.space?.id,
+          }
+        : {
+              pageID: currentPage?.id,
+              spaceID: currentPage?.spaceId,
+          };
 
     // If there is no alternate link, we reconstruct the URL by swapping the space path.
 
@@ -53,7 +55,7 @@ function useVariantSpaceHref(variantSpace: VariantSpace, currentSpacePath: strin
 
         targetUrl.searchParams.set('fallback', 'true');
 
-        if(computed?.spaceID && computed?.pageID) {
+        if (computed?.spaceID && computed?.pageID) {
             targetUrl.searchParams.set('fallbackPageID', computed.pageID);
             targetUrl.searchParams.set('fallbackSpaceID', computed.spaceID);
         }
@@ -61,7 +63,7 @@ function useVariantSpaceHref(variantSpace: VariantSpace, currentSpacePath: strin
         return targetUrl.toString();
     }
 
-    if(computed?.spaceID && computed?.pageID) {
+    if (computed?.spaceID && computed?.pageID) {
         return `${joinPath(variantSpaceUrl, currentPathname)}?fallback=true&fallbackPageID=${computed.pageID}&fallbackSpaceID=${computed.spaceID}`;
     }
 
diff --git a/packages/gitbook/src/components/SitePage/PageClientLayout.tsx b/packages/gitbook/src/components/SitePage/PageClientLayout.tsx
index 9723fca3e..1424ded9f 100644
--- a/packages/gitbook/src/components/SitePage/PageClientLayout.tsx
+++ b/packages/gitbook/src/components/SitePage/PageClientLayout.tsx
@@ -11,7 +11,7 @@ import type { PageMetaLinks } from './SitePage';
  */
 export function PageClientLayout({
     pageMetaLinks,
-    currentPage
+    currentPage,
 }: {
     pageMetaLinks: PageMetaLinks | null;
     currentPage: {
diff --git a/packages/gitbook/src/components/SitePage/SitePage.tsx b/packages/gitbook/src/components/SitePage/SitePage.tsx
index dd20bbca5..7ae0de885 100644
--- a/packages/gitbook/src/components/SitePage/SitePage.tsx
+++ b/packages/gitbook/src/components/SitePage/SitePage.tsx
@@ -106,7 +106,10 @@ export async function SitePage(props: SitePageProps & { staticRoute: boolean })
                         staticRoute={props.staticRoute}
                     />
                 </div>
-                <PageClientLayout pageMetaLinks={pageMetaLinks} currentPage={{ id: page.id, spaceId: context.space.id }} />
+                <PageClientLayout
+                    pageMetaLinks={pageMetaLinks}
+                    currentPage={{ id: page.id, spaceId: context.space.id }}
+                />
             </div>
         </PageContextProvider>
     );
@@ -354,7 +357,13 @@ async function resolvePageMetaLinks(
         return {
             canonical: resolvedCanonical ?? null,
             alternates: resolvedAlternates.filter(
-                (alt): alt is { href: string; space: AlternateLinkSpace | null, pageID: string | undefined } => !!alt.href
+                (
+                    alt
+                ): alt is {
+                    href: string;
+                    space: AlternateLinkSpace | null;
+                    pageID: string | undefined;
+                } => !!alt.href
             ),
         };
     }
diff --git a/packages/gitbook/src/components/SitePage/fetch.ts b/packages/gitbook/src/components/SitePage/fetch.ts
index e7051473f..29efef709 100644
--- a/packages/gitbook/src/components/SitePage/fetch.ts
+++ b/packages/gitbook/src/components/SitePage/fetch.ts
@@ -36,7 +36,8 @@ export async function fetchPageData(context: GitBookSiteContext, params: PagePar
  * If the path can't be found, we try to resolve it from the API to handle redirects.
  */
 async function resolvePage(context: GitBookSiteContext, params: PagePathParams | PageIdParams) {
-    const { organizationId, site, space, revision, shareKey, linker, revisionId, fallback } = context;
+    const { organizationId, site, space, revision, shareKey, linker, revisionId, fallback } =
+        context;
 
     if ('pageId' in params) {
         return resolvePageId(revision.pages, params.pageId);
@@ -100,12 +101,9 @@ async function resolvePage(context: GitBookSiteContext, params: PagePathParams |
         );
         if (resolved) {
             return resolvePageId(revision.pages, resolved.id);
-        } else if(fallback.isFallback && fallback.pageID && fallback.spaceID) {
-            return resolveFallbackPage(
-                revision.pages,
-                fallback.spaceID,
-                fallback.pageID
-            );
+            // biome-ignore lint/style/noUselessElse: Not useless
+        } else if (fallback.isFallback && fallback.pageID && fallback.spaceID) {
+            return resolveFallbackPage(revision.pages, fallback.spaceID, fallback.pageID);
         }
     }
 
diff --git a/packages/gitbook/src/lib/context.ts b/packages/gitbook/src/lib/context.ts
index feae82fb1..78339302d 100644
--- a/packages/gitbook/src/lib/context.ts
+++ b/packages/gitbook/src/lib/context.ts
@@ -29,21 +29,21 @@ import { type GitBookLinker, createLinker, linkerForPublishedURL } from './links
 
 type FallbackData = {
     /**
-         * 
-         */
-        isFallback: boolean;
+     *
+     */
+    isFallback: boolean;
 
-        /**
-         * Space ID of the main space.
-         * Only provided for a computed space.
-         */
-        spaceID?: string;
+    /**
+     * Space ID of the main space.
+     * Only provided for a computed space.
+     */
+    spaceID?: string;
 
-        /**
-         * page ID of the main revision.
-         * Only provided for a computed revision.
-         */
-        pageID?: string;
+    /**
+     * page ID of the main revision.
+     * Only provided for a computed revision.
+     */
+    pageID?: string;
 };
 
 /**
diff --git a/packages/gitbook/src/lib/pages.ts b/packages/gitbook/src/lib/pages.ts
index 6faba0774..4fc2ddbdb 100644
--- a/packages/gitbook/src/lib/pages.ts
+++ b/packages/gitbook/src/lib/pages.ts
@@ -117,16 +117,16 @@ export function resolvePageId(
 }
 
 /**
- * 
+ *
  * Resolve a page by its related space ID and page ID from the revision pages.
  * Related pages are pages that are linked via meta links alternates.
  * It uses the metaLinks alternates to find the matching computed page.
  * It always use the first alternate to resolve the parent page.
- * 
- * @param rootPages 
+ *
+ * @param rootPages
  * @param relatedSpaceId Space ID of the parent page (i.e. )
- * @param relatedPageId 
- * @returns 
+ * @param relatedPageId
+ * @returns
  */
 export function resolveFallbackPage(
     rootPages: Revision['pages'],
@@ -142,10 +142,17 @@ export function resolveFallbackPage(
                 continue;
             }
 
-            if(page.type === RevisionPageType.Document) {
+            if (page.type === RevisionPageType.Document) {
                 const metaLinksAlternates = page.metaLinks?.alternates;
-                if(metaLinksAlternates && metaLinksAlternates.length > 0 && metaLinksAlternates[0]?.kind !== "url") {
-                    if(metaLinksAlternates[0]?.space === relatedSpaceId && metaLinksAlternates[0]?.page === relatedPageId) {
+                if (
+                    metaLinksAlternates &&
+                    metaLinksAlternates.length > 0 &&
+                    metaLinksAlternates[0]?.kind !== 'url'
+                ) {
+                    if (
+                        metaLinksAlternates[0]?.space === relatedSpaceId &&
+                        metaLinksAlternates[0]?.page === relatedPageId
+                    ) {
                         return resolvePageDocument(page, ancestors);
                     }
                 }
@@ -264,7 +271,7 @@ function resolvePageDocument(
         return;
     }
     if (page.type === RevisionPageType.Link || page.type === RevisionPageType.Computed) {
-        return undefined; 
+        return undefined;
     }
 
     return { page, ancestors };
diff --git a/packages/gitbook/src/middleware.ts b/packages/gitbook/src/middleware.ts
index 8f4029003..279f70ba6 100644
--- a/packages/gitbook/src/middleware.ts
+++ b/packages/gitbook/src/middleware.ts
@@ -285,7 +285,7 @@ async function serveSiteRoutes(requestURL: URL, request: NextRequest) {
         // Extract fallback pageID and spaceID from the URL
         // These are used when switching variant spaces to redirect to a specific page if the current path doesn't exist in the new variant.
         // Because there is no link between every variant, we need to pass a stable spaceID/pageID to redirect to.
-        // They are the first alternate link in the page metadata of the previous variant. 
+        // They are the first alternate link in the page metadata of the previous variant.
         const fallbackPageID = requestURL.searchParams.get('fallbackPageID');
         const fallbackSpaceID = requestURL.searchParams.get('fallbackSpaceID');
 
@@ -306,11 +306,10 @@ async function serveSiteRoutes(requestURL: URL, request: NextRequest) {
             imagesContextId: imagesContextId,
             contextId: siteURLData.contextId,
             fallback: {
-                isFallback: requestURL.searchParams.get('fallback') === 'true' ? true : false,
+                isFallback: requestURL.searchParams.get('fallback') === 'true',
                 ...(fallbackPageID ? { pageID: fallbackPageID } : {}),
                 ...(fallbackSpaceID ? { spaceID: fallbackSpaceID } : {}),
-            }
-            
+            },
         };
 
         const requestHeaders = new Headers(request.headers);