diff --git a/src/pages/api/erettsegi.ts b/src/pages/api/erettsegi.ts
index 9aba86b..91964d6 100644
--- a/src/pages/api/erettsegi.ts
+++ b/src/pages/api/erettsegi.ts
@@ -74,9 +74,9 @@ export default function handler(req: NextApiRequest, res: NextApiResponse) {
     case 'inf':
     case 'infoism':
     case 'digkult':
-      flZipUrl = `${baseUrl}${prefix}${forras}_${shortev}${honap}_${feladat}.zip`
+      flZipUrl = `${proxiedUrl}${prefix}${forras}_${shortev}${honap}_${feladat}.zip`
       flPdfUrl = `${proxiedUrl}${prefix}_${shortev}${honap}_${feladat}.pdf`
-      utZipUrl = `${baseUrl}${prefix}${megoldas}_${shortev}${honap}_${utmutato}.zip`
+      utZipUrl = `${proxiedUrl}${prefix}${megoldas}_${shortev}${honap}_${utmutato}.zip`
       utPdfUrl = `${proxiedUrl}${prefix}_${shortev}${honap}_${utmutato}.pdf`
       break
     default:
diff --git a/src/pages/api/proxy.ts b/src/pages/api/proxy.ts
index 827b8b8..ca1fd52 100644
--- a/src/pages/api/proxy.ts
+++ b/src/pages/api/proxy.ts
@@ -21,16 +21,18 @@ export default async function handler(
 
   try {
     const response = await fetch(link, { method: 'GET' })
+    const contentType = response.headers.get('content-type')
 
-    if (response.headers.get('content-type') !== 'application/pdf') {
-      return res.status(400).json({ error: 'Érvénytelen link' })
+    if (contentType) {
+      const filename = link.split('/').pop() ?? 'download'
+      res.setHeader('Content-Disposition', `attachment; filename="${filename}"`)
+      res.setHeader('Content-Type', contentType)
     }
 
     if (response.ok) {
-      res.setHeader('Content-Type', 'application/pdf')
       const arrayBuffer: ArrayBuffer = await response.arrayBuffer()
-      const pdfBuffer: Buffer = Buffer.from(arrayBuffer)
-      res.send(pdfBuffer)
+      const buffer: Buffer = Buffer.from(arrayBuffer)
+      res.send(buffer)
     } else {
       res
         .status(response.status)