diff --git a/examples/amr_spherical_volume_rendering.py b/examples/amr_spherical_volume_rendering.py
index 7ab5292..90ea76b 100644
--- a/examples/amr_spherical_volume_rendering.py
+++ b/examples/amr_spherical_volume_rendering.py
@@ -122,5 +122,6 @@ def _r_rev(field, data):
     sg = rc.add_scene(ds, field, no_ghost=True)
     rc.scene.components[0].sample_factor = 20.0
     rc.scene.components[0].cmap_log = False
+    rc.scene.components[0]._reset_cmap_bounds()
 
     rc.run()
diff --git a/yt_idv/tests/test_spherical_vol_rendering.py b/yt_idv/tests/test_spherical_vol_rendering.py
index 0e18acd..21f9fa2 100644
--- a/yt_idv/tests/test_spherical_vol_rendering.py
+++ b/yt_idv/tests/test_spherical_vol_rendering.py
@@ -18,6 +18,7 @@ def osmesa_empty_rc():
     "partial": {
         "bbox": np.array([[0.5, 1.0], [0.0, np.pi / 3], [np.pi / 4, np.pi / 2]]),
         "field": ("index", "r"),
+        "camera": [-0.5, -1, 2.5],
     },
     "whole": {
         "bbox": np.array([[0.0, 1.0], [0.0, 2 * np.pi], [0, np.pi]]),
@@ -83,6 +84,7 @@ def test_spherical_nprocs(osmesa_empty_rc, image_store, nprocs):
     osmesa_empty_rc.add_scene(dd, field, no_ghost=True)
     osmesa_empty_rc.scene.components[0].sample_factor = 20.0
     osmesa_empty_rc.scene.components[0].cmap_log = False
+    osmesa_empty_rc.scene.components[0]._reset_cmap_bounds()
     cpos = bbox_options[bbox_option].get("camera_position", None)
     if cpos:
         osmesa_empty_rc.scene.camera.position = cpos