diff --git a/mani_skill/examples/teleoperation/interactive_panda.py b/mani_skill/examples/teleoperation/interactive_panda.py
index 2c728c025..00fffdd21 100644
--- a/mani_skill/examples/teleoperation/interactive_panda.py
+++ b/mani_skill/examples/teleoperation/interactive_panda.py
@@ -29,6 +29,8 @@ class Args:
     """directory to record the demonstration data and optionally videos"""
     save_video: bool = False
     """whether to save the videos of the demonstrations after collecting them all"""
+    viewer_shader: str = "rt-fast"
+    """the shader to use for the viewer. 'default' is fast but lower-quality shader, 'rt' and 'rt-fast' are the ray tracing shaders"""
     video_saving_shader: str = "rt-fast"
     """the shader to use for the videos of the demonstrations. 'minimal' is the fast shader, 'rt' and 'rt-fast' are the ray tracing shaders"""
 
@@ -43,7 +45,8 @@ def main(args: Args):
         control_mode="pd_joint_pos",
         render_mode="rgb_array",
         reward_mode="none",
-        viewer_camera_configs=dict(shader_pack="rt-fast")
+        enable_shadow=True,
+        viewer_camera_configs=dict(shader_pack=args.viewer_shader)
     )
     env = RecordEpisode(
         env,