diff --git a/io_scene_psk_psa/psk/writer.py b/io_scene_psk_psa/psk/writer.py
index eec3234..5dae319 100644
--- a/io_scene_psk_psa/psk/writer.py
+++ b/io_scene_psk_psa/psk/writer.py
@@ -6,7 +6,7 @@ from ..data import Section, Vector3
 
 MAX_WEDGE_COUNT = 65536
 MAX_POINT_COUNT = 4294967296
-MAX_BONE_COUNT = 256
+MAX_BONE_COUNT = 2147483647
 MAX_MATERIAL_COUNT = 256