diff --git a/backend/src/routes/agent-release.ts b/backend/src/routes/agent-release.ts
index e72ff15..eacc829 100644
--- a/backend/src/routes/agent-release.ts
+++ b/backend/src/routes/agent-release.ts
@@ -13,7 +13,8 @@ const agentRelease: FastifyPluginAsync = async (fastify) => {
       if (!versionMatch) return reply.code(404).send({ error: 'latest.yml not found or invalid' })
       const version = versionMatch[1].trim()
       const fileName = pathMatch?.[1].trim() ?? `HotelSync Agent Setup ${version}.exe`
-      return { version, fileName, downloadUrl: `/agent-updates/${encodeURIComponent(fileName)}` }
+      const host = process.env.API_PUBLIC_URL ?? 'https://api.hotelsync.ru'
+      return { version, fileName, downloadUrl: `${host}/agent-updates/${encodeURIComponent(fileName)}` }
     } catch {
       return reply.code(404).send({ error: 'No release available' })
     }