diff --git a/packages/backend/src/core/PageService.ts b/packages/backend/src/core/PageService.ts
index 7f0e5c7ccc..4abeb30fce 100644
--- a/packages/backend/src/core/PageService.ts
+++ b/packages/backend/src/core/PageService.ts
@@ -29,7 +29,7 @@ export interface PageBody {
 	variables: Array<Record<string, any>>;
 	script: string;
 	eyeCatchingImage?: MiDriveFile | null;
-	font: string;
+	font: 'serif' | 'sans-serif';
 	alignCenter: boolean;
 	hideTitleWhenPinned: boolean;
 }
@@ -141,7 +141,7 @@ export class PageService {
 				eyeCatchingImageId: body.eyeCatchingImage === undefined ? undefined : (body.eyeCatchingImage?.id ?? null),
 			});
 
-			console.log("page.content", page.content);
+			console.log('page.content', page.content);
 
 			if (body.content != null) {
 				const beforeReferencedNotes = this.collectReferencedNotes(page.content);
diff --git a/packages/backend/src/models/Page.ts b/packages/backend/src/models/Page.ts
index d112a66c04..d46f6e9d16 100644
--- a/packages/backend/src/models/Page.ts
+++ b/packages/backend/src/models/Page.ts
@@ -47,7 +47,7 @@ export class MiPage {
 	@Column('varchar', {
 		length: 32,
 	})
-	public font: string;
+	public font: 'serif' | 'sans-serif';
 
 	@Index()
 	@Column({