diff --git a/invesalius/constants.py b/invesalius/constants.py
index 8a15148..88eb454 100644
--- a/invesalius/constants.py
+++ b/invesalius/constants.py
@@ -297,7 +297,7 @@ ID_TO_BMP = {VOL_FRONT: [_("Front"), os.path.join(ICON_DIR, "view_front.png")],
              }
 
 # if 1, use vtkVolumeRaycastMapper, if 0, use vtkFixedPointVolumeRayCastMapper
-TYPE_RAYCASTING_MAPPER = 1
+TYPE_RAYCASTING_MAPPER = 0
 
 folder=RAYCASTING_PRESETS_DIRECTORY= os.path.abspath(os.path.join("..",
                                                                   "presets",
--
libgit2 0.21.2