diff --git a/lib/api/category/one.ts b/lib/api/category/one.ts
index ebcf5813eb..06cadeb650 100644
--- a/lib/api/category/one.ts
+++ b/lib/api/category/one.ts
@@ -67,23 +67,15 @@ const handler: RouteHandler<typeof route> = (ctx) => {
     // Get namespaces that exist in all requested categories
     const commonNamespaces = Object.keys(categoryList[category] || {}).filter((namespace) => allCategories.every((cat) => categoryList[cat]?.[namespace]));
 
-    // Create result using the path category as key
-    let result = {
-        [category]: Object.fromEntries(commonNamespaces.map((namespace) => [namespace, categoryList[category][namespace]])),
-    };
+    // Create result directly from common namespaces
+    let result = Object.fromEntries(commonNamespaces.map((namespace) => [namespace, categoryList[category][namespace]]));
 
     // Filter by language if provided
     if (lang) {
-        result = Object.fromEntries(
-            Object.entries(result)
-                .map(([cat, namespaces]) => [cat, Object.fromEntries(Object.entries(namespaces).filter(([, value]) => value.lang === lang))])
-                .filter(([, namespaces]) => Object.keys(namespaces).length > 0)
-        );
+        result = Object.fromEntries(Object.entries(result).filter(([, value]) => value.lang === lang));
     }
 
-    return ctx.json({
-        data: result,
-    });
+    return ctx.json(result);
 };
 
 export { route, handler };