diff --git a/leenkx/blender/lnx/write_data.py b/leenkx/blender/lnx/write_data.py
index a613815..5a9a6a6 100644
--- a/leenkx/blender/lnx/write_data.py
+++ b/leenkx/blender/lnx/write_data.py
@@ -818,7 +818,7 @@ const int compoChromaticSamples = {rpdat.lnx_chromatic_aberration_samples};
 
         focus_distance = 0.0
         fstop = 0.0
-        if len(bpy.data.cameras) > 0 and lnx.utils.get_active_scene().camera.data.dof.use_dof:
+        if lnx.utils.get_active_scene().camera and lnx.utils.get_active_scene().camera.data.dof.use_dof:
             focus_distance = lnx.utils.get_active_scene().camera.data.dof.focus_distance
             fstop = lnx.utils.get_active_scene().camera.data.dof.aperture_fstop
             lens = lnx.utils.get_active_scene().camera.data.lens