diff --git a/frontend-client/src/api/client.ts b/frontend-client/src/api/client.ts
index 217c3a0..3baaf28 100644
--- a/frontend-client/src/api/client.ts
+++ b/frontend-client/src/api/client.ts
@@ -1,8 +1,10 @@
 import axios from "axios";
 import { useAuthStore } from "@/store/authStore";
 
+const BASE_URL = "/api";
+
 const apiClient = axios.create({
-  baseURL: process.env.NEXT_PUBLIC_API_URL ?? "http://localhost:8000/api",
+  baseURL: BASE_URL,
   headers: { "Content-Type": "application/json" },
 });
 
diff --git a/frontend-client/src/app/tickets/[id]/page.tsx b/frontend-client/src/app/tickets/[id]/page.tsx
index 926a68f..e56280d 100644
--- a/frontend-client/src/app/tickets/[id]/page.tsx
+++ b/frontend-client/src/app/tickets/[id]/page.tsx
@@ -9,9 +9,9 @@ import { getMyTicketsApi, type TicketResponse } from "@/api/client";
 
 // ─── Constants ────────────────────────────────────────────────────────────────
 
-/** Replace internal MinIO hostname with the externally accessible address */
+/** Strip the internal MinIO origin so the URL becomes a relative path.
+ *  e.g. "http://minio:9000/tickets-media/file.pdf" → "/tickets-media/file.pdf" */
 const MINIO_INTERNAL = "http://minio:9000";
-const MINIO_EXTERNAL = process.env.NEXT_PUBLIC_MINIO_URL ?? "http://localhost:9000";
 
 const RU_MONTHS = [
   "Января", "Февраля", "Марта", "Апреля", "Мая", "Июня",
@@ -26,7 +26,7 @@ function formatDate(iso: string): string {
 }
 
 function resolvePdfUrl(url: string): string {
-  return url.replace(MINIO_INTERNAL, MINIO_EXTERNAL);
+  return url.replace(MINIO_INTERNAL, "");
 }
 
 // ─── Perforated ticket card ───────────────────────────────────────────────────