diff --git a/backend/server.ts b/backend/server.ts
index cd5236e..e9de023 100644
--- a/backend/server.ts
+++ b/backend/server.ts
@@ -387,7 +387,8 @@ app.get('/api/job-file-content', async (c) => {
     });
     if (!res.ok) {
       const text = await res.text();
-      return c.json({ error: `Graph ${res.status}: ${text}` }, res.status);
+      logLine('logs/error.log', `/api/job-file-content failed: ${res.status} - ${text}`);
+      return c.json({ error: `Graph ${res.status}: ${text}` }, 502);
     }
     const headers: Record<string, string> = {};
     const ct = res.headers.get('content-type');
@@ -419,7 +420,7 @@ app.get('/api/job-file-pdf', async (c) => {
     if (!res.ok) {
       const text = await res.text();
       logLine('logs/error.log', `/api/job-file-pdf conversion failed: ${res.status} - ${text}`);
-      return c.json({ error: `PDF conversion failed: ${res.status}` }, res.status);
+      return c.json({ error: `PDF conversion failed: ${res.status}` }, 502);
     }
     const headers: Record<string, string> = {
       'Content-Type': 'application/pdf',