diff --git a/src/blend_asset/export.py b/src/blend_asset/export.py
index 7a2c2ea..61efb59 100644
--- a/src/blend_asset/export.py
+++ b/src/blend_asset/export.py
@@ -50,6 +50,7 @@ def main():
         export_skins=True,
         export_morph=True,
         export_yup=True,
+        export_def_bones=True,
         export_action_filter=False,
         export_animation_mode="NLA_TRACKS" if use_nla_tracks else "ACTIONS",
     )