diff --git a/packages/backend/src/misc/post.ts b/packages/backend/src/misc/post.ts
index dbe703d1a0..0b107ed009 100644
--- a/packages/backend/src/misc/post.ts
+++ b/packages/backend/src/misc/post.ts
@@ -12,7 +12,7 @@ export function parse(acct: any): Post {
 		cw: acct.cw,
 		localOnly: acct.localOnly,
 		createdAt: new Date(acct.createdAt),
-		visibility: "hidden" + (acct.visibility || ""),
+		visibility: `hidden${acct.visibility || ""}`,
 	};
 }