diff --git a/scripts/scil_compute_local_tracking.py b/scripts/scil_compute_local_tracking.py
index ccba3afde..1c1ee65cc 100755
--- a/scripts/scil_compute_local_tracking.py
+++ b/scripts/scil_compute_local_tracking.py
@@ -63,7 +63,10 @@ def _build_arg_parser():
                          choices=['det', 'prob', 'eudx'],
                          help='Algorithm to use. [%(default)s]')
     add_sphere_arg(track_g, symmetric_only=True)
-
+    track_g.add_argument('--sub_sphere',
+                         type=int, default=0,
+                         help='Subdivides each face of the sphere into 4^s new faces. '
+                              '[%(default)s]')
     add_seeding_options(p)
     out_g = add_out_options(p)
 
@@ -78,7 +81,7 @@ def _build_arg_parser():
 
 def _get_direction_getter(args):
     odf_data = nib.load(args.in_odf).get_fdata(dtype=np.float32)
-    sphere = HemiSphere.from_sphere(get_sphere(args.sphere))
+    sphere = HemiSphere.from_sphere(get_sphere(args.sphere)).subdivide(args.sub_sphere)
     theta = get_theta(args.theta, args.algo)
 
     non_zeros_count = np.count_nonzero(np.sum(odf_data, axis=-1))
diff --git a/scripts/tests/test_compute_local_tracking.py b/scripts/tests/test_compute_local_tracking.py
index 9d0c40770..c5f24f14c 100644
--- a/scripts/tests/test_compute_local_tracking.py
+++ b/scripts/tests/test_compute_local_tracking.py
@@ -32,6 +32,21 @@ def test_execution_tracking_fodf(script_runner):
     assert ret.success
 
 
+def test_execution_sphere_subdivide(script_runner):
+    os.chdir(os.path.expanduser(tmp_dir.name))
+    in_fodf = os.path.join(get_home(), 'tracking',
+                           'fodf.nii.gz')
+    in_mask = os.path.join(get_home(), 'tracking',
+                           'seeding_mask.nii.gz')
+
+    ret = script_runner.run('scil_compute_local_tracking.py', in_fodf,
+                            in_mask, in_mask, 'local_sphere.trk', '--nt', '1000',
+                            '--compress', '0.1', '--sh_basis', 'descoteaux07',
+                            '--min_length', '20', '--max_length', '200', 
+                            '--sub_sphere', '2')
+    assert ret.success
+
+
 def test_execution_tracking_fodf_no_compression(script_runner):
     os.chdir(os.path.expanduser(tmp_dir.name))
     in_fodf = os.path.join(get_home(), 'tracking',