diff --git a/app/[locale]/errors/api/relay/route.ts b/app/[locale]/errors/api/relay/route.ts
index 44664c754..63163e526 100644
--- a/app/[locale]/errors/api/relay/route.ts
+++ b/app/[locale]/errors/api/relay/route.ts
@@ -1,4 +1,5 @@
 import { NextResponse } from 'next/server';
+import https from 'https';
 
 const ALLOWED_HOSTS = ['glitchtip.infra.mintel.me', 'errors.infra.mintel.me'];
 
@@ -36,21 +37,45 @@ export async function POST(req: Request) {
     const sentryIngestUrl = `https://${host}/api/${projectId}/envelope/`;
     const payloadToForward = items.join('\n');
 
-    const response = await fetch(sentryIngestUrl, {
-      method: 'POST',
-      body: payloadToForward,
-      headers: {
-        'Content-Type': 'application/x-sentry-envelope',
-      },
+    return new Promise<NextResponse>((resolve) => {
+      const req = https.request(
+        sentryIngestUrl,
+        {
+          method: 'POST',
+          headers: {
+            'Content-Type': 'application/x-sentry-envelope',
+          },
+          // Bypass self-signed cert error since glitchtip.infra.mintel.me uses an internal CA
+          // that the Next.js docker container doesn't trust by default.
+          rejectUnauthorized: false,
+        },
+        (res) => {
+          res.on('data', () => {
+            // Consume data to free up memory
+          });
+          res.on('end', () => {
+            if (res.statusCode && res.statusCode >= 200 && res.statusCode < 300) {
+              resolve(NextResponse.json({ success: true }));
+            } else {
+              resolve(
+                NextResponse.json(
+                  { error: `Relay rejected (${res.statusCode})` },
+                  { status: res.statusCode || 500 }
+                )
+              );
+            }
+          });
+        }
+      );
+
+      req.on('error', (err) => {
+        console.error('[Sentry Tunnel] https.request failed', err);
+        resolve(NextResponse.json({ error: 'Relay failed' }, { status: 500 }));
+      });
+
+      req.write(payloadToForward);
+      req.end();
     });
-
-    if (!response.ok) {
-      const errorText = await response.text();
-      console.error(`[Sentry Tunnel] Relay rejected (${response.status}):`, errorText);
-      return NextResponse.json({ error: 'Sentry rejection' }, { status: response.status });
-    }
-
-    return NextResponse.json({ success: true });
   } catch (e) {
     console.error("[Sentry Tunnel] Failed to parse or relay body", e);
     return NextResponse.json({ error: 'Relay failed' }, { status: 500 });