diff --git a/chandra/output.py b/chandra/output.py
index 9afe54a..8dc3ad9 100644
--- a/chandra/output.py
+++ b/chandra/output.py
@@ -1,5 +1,4 @@
 import hashlib
-import json
 import re
 from dataclasses import dataclass, asdict
 from functools import lru_cache
@@ -241,7 +240,7 @@ def parse_layout(html: str, image: Image.Image):
         bbox = div.get("data-bbox")
 
         try:
-            bbox = json.loads(bbox)
+            bbox = bbox.split(" ")
         except Exception:
             bbox = [0, 0, 1, 1]
 
diff --git a/chandra/settings.py b/chandra/settings.py
index d0abd1b..5fa078a 100644
--- a/chandra/settings.py
+++ b/chandra/settings.py
@@ -15,7 +15,7 @@ class Settings(BaseSettings):
     TORCH_DEVICE: str | None = None
     MAX_OUTPUT_TOKENS: int = 12384
     TORCH_ATTN: str | None = None
-    BBOX_SCALE: int = 1024
+    BBOX_SCALE: int = 1000
 
     # vLLM server settings
     VLLM_API_KEY: str = "EMPTY"