diff --git a/src/app/explorer/components/GatewayLink.tsx b/src/app/explorer/components/GatewayLink.tsx
index ad75dce..6cd8872 100644
--- a/src/app/explorer/components/GatewayLink.tsx
+++ b/src/app/explorer/components/GatewayLink.tsx
@@ -2,6 +2,7 @@
 
 import { useState } from 'react';
 import { Copy, CheckCircle } from 'lucide-react';
+import { gatewayLink } from '@/lib/helpers';
 
 interface GatewayLinkProps {
   cid: string;
@@ -10,11 +11,14 @@ interface GatewayLinkProps {
 
 export default function GatewayLink({ cid, filename }: GatewayLinkProps) {
   const [copied, setCopied] = useState(false);
-  const gatewayUrl = `https://ipfs.io/ipfs/${cid}${filename ? `?filename=${encodeURIComponent(filename)}` : ''}`;
+  // Gedeelde helper: gateway-basis uit lib/config.ts + het /ipfs/-pad van de
+  // route GET /ipfs/<cid>. Nooit een externe gateway (ipfs.io) hardcoden —
+  // dan wijst de link content van een andere node aan.
+  const link = gatewayLink(cid, filename);
 
   async function handleCopy() {
     try {
-      await navigator.clipboard.writeText(gatewayUrl);
+      await navigator.clipboard.writeText(link);
       setCopied(true);
       setTimeout(() => setCopied(false), 2000);
     } catch (err) {
@@ -25,7 +29,7 @@ export default function GatewayLink({ cid, filename }: GatewayLinkProps) {
   return (
     <div className="flex items-center gap-2 text-xs">
       <code className="flex-1 truncate text-surface-400 bg-surface-900 px-2 py-1 rounded">
-        {gatewayUrl}
+        {link}
       </code>
       <button
         onClick={handleCopy}
diff --git a/src/app/explorer/components/__tests__/GatewayLink.test.tsx b/src/app/explorer/components/__tests__/GatewayLink.test.tsx
new file mode 100644
index 0000000..fe32263
--- /dev/null
+++ b/src/app/explorer/components/__tests__/GatewayLink.test.tsx
@@ -0,0 +1,50 @@
+import { describe, it, expect, afterEach } from 'vitest';
+import { renderToStaticMarkup } from 'react-dom/server';
+import GatewayLink from '../GatewayLink';
+
+/* ── GatewayLink ──
+ *
+ * Audit: de component hardcodede `https://ipfs.io/ipfs/<cid>`, terwijl de
+ * portal zijn EIGEN gateway heeft (NEXT_PUBLIC_GATEWAY_URL, fallback
+ * https://ipfs.maos.dedyn.io). De gedeelde helper `gatewayLink()` uit
+ * `@/lib/helpers` bouwt de link — deze tests bewaken dat de component die
+ * ook echt gebruikt in plaats van een eigen URL te bouwen.
+ */
+
+const ORIGINAL_GATEWAY = process.env.NEXT_PUBLIC_GATEWAY_URL;
+
+afterEach(() => {
+  if (ORIGINAL_GATEWAY === undefined) delete process.env.NEXT_PUBLIC_GATEWAY_URL;
+  else process.env.NEXT_PUBLIC_GATEWAY_URL = ORIGINAL_GATEWAY;
+});
+
+function render(cid: string, filename?: string): string {
+  return renderToStaticMarkup(<GatewayLink cid={cid} filename={filename} />);
+}
+
+describe('GatewayLink', () => {
+  it('wijst naar de eigen gateway van de portal, niet naar ipfs.io', () => {
+    const html = render('QmTest123');
+    expect(html).toContain('https://ipfs.maos.dedyn.io/ipfs/QmTest123');
+    expect(html).not.toContain('ipfs.io');
+  });
+
+  it('volgt NEXT_PUBLIC_GATEWAY_URL', () => {
+    process.env.NEXT_PUBLIC_GATEWAY_URL = 'https://gateway.example.org';
+    expect(render('QmTest123')).toContain('https://gateway.example.org/ipfs/QmTest123');
+  });
+
+  it('toont de CID op het /ipfs/-pad', () => {
+    expect(render('QmTest123')).toContain('/ipfs/QmTest123');
+  });
+
+  it('zet filename als query-parameter, url-encoded', () => {
+    expect(render('QmTest123', 'rap portaal.txt')).toContain(
+      '?filename=rap%20portaal.txt',
+    );
+  });
+
+  it('laat de query-string weg als er geen filename is', () => {
+    expect(render('QmTest123')).not.toContain('?filename=');
+  });
+});