diff --git a/lib/middleware/template.tsx b/lib/middleware/template.tsx
index 65dbfa65f3cec1..e91084ed3957c8 100644
--- a/lib/middleware/template.tsx
+++ b/lib/middleware/template.tsx
@@ -94,18 +94,22 @@ const middleware: MiddlewareHandler = async (ctx, next) => {
         return ctx.json(result);
     }
 
-    // retain .ums for backward compatibility
-    if (outputType === 'ums' || outputType === 'rss3') {
-        return ctx.json(rss3(result));
-    } else if (outputType === 'json') {
-        ctx.header('Content-Type', 'application/feed+json; charset=UTF-8');
-        return ctx.body(json(result));
-    } else if (ctx.get('no-content')) {
+    if (ctx.get('no-content')) {
         return ctx.body(null);
-    } else if (outputType === 'atom') {
-        return ctx.render(<Atom data={result} />);
     } else {
-        return ctx.render(<RSS data={result} />);
+        // retain .ums for backward compatibility
+        switch (outputType) {
+            case 'ums':
+            case 'rss3':
+                return ctx.json(rss3(result));
+            case 'json':
+                ctx.header('Content-Type', 'application/feed+json; charset=UTF-8');
+                return ctx.body(json(result));
+            case 'atom':
+                return ctx.render(<Atom data={result} />);
+            default:
+                return ctx.render(<RSS data={result} />);
+        }
     }
 };