diff --git a/lib/agents/workflow-preview-images.ts b/lib/agents/workflow-preview-images.ts
index e7544031a..91cf34d95 100644
--- a/lib/agents/workflow-preview-images.ts
+++ b/lib/agents/workflow-preview-images.ts
@@ -6,7 +6,7 @@ import { uploadFile } from "@/lib/storage/service";
 
 const PREVIEW_WIDTH = 230;
 const PREVIEW_QUALITY = 76;
-const FETCH_TIMEOUT_MS = 15_000;
+const FETCH_TIMEOUT_MS = Number(process.env.AGENT_WORKFLOW_PREVIEW_FETCH_TIMEOUT_MS || 15_000);
 const MAX_SOURCE_BYTES = 40 * 1024 * 1024;
 const DEFAULT_CONCURRENCY = 3;