diff --git a/src/body_visualizer/tools/vis_tools.py b/src/body_visualizer/tools/vis_tools.py
index d422b20..96b1f16 100644
--- a/src/body_visualizer/tools/vis_tools.py
+++ b/src/body_visualizer/tools/vis_tools.py
@@ -25,13 +25,12 @@
 import cv2
 import os
 import trimesh
-# import platform
-# if 'Ubuntu' in platform.version():
-#     print('In Ubuntu, using osmesa mode for rendering')
-#     os.environ['PYOPENGL_PLATFORM'] = 'osmesa'
-# else:
-#     print('In other system, using egl mode for rendering')
-os.environ['PYOPENGL_PLATFORM'] = 'egl'
+
+# Depending on operating system, one may need to set this environment variable, like this:
+#   os.environ['PYOPENGL_PLATFORM'] = 'egl'
+# See related issues that may provide leads to fix it if needed:
+#   https://github.com/mkocabas/VIBE/issues/101
+#   https://github.com/MPI-IS/mesh/issues/49#issuecomment-705194582
 
 
 colors = {
@@ -179,7 +178,7 @@ def meshes_as_png(meshes, outpath=None, view_angles=[0, 180]):
 
     imw = 800
     imh = 800
-    mv = MeshViewer(imh, imw)
+    mv = MeshViewer(width=imw, height=imh)
     mv.set_cam_trans([0, -.5, 1.75])
     images = np.zeros([len(meshes), len(view_angles), 1, imw, imh, 3])
     for mIdx, mesh in enumerate(meshes):