diff --git a/octreelib/ransac/cuda_ransac.py b/octreelib/ransac/cuda_ransac.py
index 09dcbcb..ec1f9c5 100644
--- a/octreelib/ransac/cuda_ransac.py
+++ b/octreelib/ransac/cuda_ransac.py
@@ -5,7 +5,7 @@
 from numba.cuda.random import create_xoroshiro128p_states
 
 from octreelib.internal import PointCloud
-from octreelib.ransac.initial_points_config import N_INITIAL_POINTS
+from octreelib.ransac.initial_points_config import INITIAL_POINTS_NUMBER
 from octreelib.ransac.util import (
     generate_random_indices,
     get_plane_from_points,
@@ -107,20 +107,20 @@ def __ransac_kernel(
     ):
         thread_id, block_id = cuda.threadIdx.x, cuda.blockIdx.x
 
-        if block_sizes[block_id] < N_INITIAL_POINTS:
+        if block_sizes[block_id] < INITIAL_POINTS_NUMBER:
             return
 
         # select random points as inliers
         initial_point_indices = cuda.local.array(
-            shape=N_INITIAL_POINTS, dtype=nb.size_t
+            shape=INITIAL_POINTS_NUMBER, dtype=nb.size_t
         )
         initial_point_indices = generate_random_indices(
             initial_point_indices,
             rng_states,
             block_sizes[block_id],
-            N_INITIAL_POINTS,
+            INITIAL_POINTS_NUMBER,
         )
-        for i in range(N_INITIAL_POINTS):
+        for i in range(INITIAL_POINTS_NUMBER):
             initial_point_indices[i] = (
                 block_start_indices[block_id] + initial_point_indices[i]
             )
diff --git a/octreelib/ransac/initial_points_config.py b/octreelib/ransac/initial_points_config.py
index 572b5bb..8a8b9eb 100644
--- a/octreelib/ransac/initial_points_config.py
+++ b/octreelib/ransac/initial_points_config.py
@@ -6,4 +6,4 @@
 and because of that it is placed in a separate file.
 """
 
-N_INITIAL_POINTS = 6
+INITIAL_POINTS_NUMBER = 6
diff --git a/octreelib/ransac/util.py b/octreelib/ransac/util.py
index 3d0e45a..0d20e37 100644
--- a/octreelib/ransac/util.py
+++ b/octreelib/ransac/util.py
@@ -10,7 +10,7 @@
 from numba import cuda
 from numba.cuda.random import xoroshiro128p_uniform_float32
 
-from octreelib.ransac.initial_points_config import N_INITIAL_POINTS
+from octreelib.ransac.initial_points_config import INITIAL_POINTS_NUMBER
 
 
 @cuda.jit(
@@ -100,9 +100,9 @@ def get_plane_from_points(points, initial_point_indices):
         centroid_y += points[idx][1]
         centroid_z += points[idx][2]
 
-    centroid_x /= N_INITIAL_POINTS
-    centroid_y /= N_INITIAL_POINTS
-    centroid_z /= N_INITIAL_POINTS
+    centroid_x /= INITIAL_POINTS_NUMBER
+    centroid_y /= INITIAL_POINTS_NUMBER
+    centroid_z /= INITIAL_POINTS_NUMBER
 
     xx, xy, xz, yy, yz, zz = 0.0, 0.0, 0.0, 0.0, 0.0, 0.0