diff --git a/src/histolab/tiler.py b/src/histolab/tiler.py
index 754c2f95..37188ddb 100644
--- a/src/histolab/tiler.py
+++ b/src/histolab/tiler.py
@@ -29,7 +29,7 @@ class Tiler(Protocol):
     tile_size: int
 
     @lru_cache(maxsize=100)
-    def box_mask_thumb(self, slide: Slide) -> np.ndarray:
+    def box_mask(self, slide: Slide) -> np.ndarray:
         """Return binary mask, at thumbnail level, of the box for tiles extraction.
 
         The mask pixels set to True correspond to the tissue box.
@@ -224,7 +224,7 @@ def _grid_coordinates_generator(self, slide: Slide) -> CoordinatePair:
         Iterator[CoordinatePair]
             Iterator of tiles' CoordinatePair
         """
-        box_mask_thumb = self.box_mask_thumb(slide)
+        box_mask_thumb = self.box_mask(slide)
 
         regions = regions_from_binary_mask(box_mask_thumb)
         for region in regions:  # at the moment there is only one region
@@ -415,7 +415,7 @@ def _random_tile_coordinates(self, slide: Slide) -> CoordinatePair:
         CoordinatePair
             Random tile Coordinates at level 0
         """
-        box_mask_thumb = self.box_mask_thumb(slide)
+        box_mask_thumb = self.box_mask(slide)
         tile_w_lvl, tile_h_lvl = self.tile_size
 
         x_ul_lvl = np.random.choice(np.where(box_mask_thumb)[1])
diff --git a/tests/unit/test_tiler.py b/tests/unit/test_tiler.py
index 2eb8ac70..ae881ead 100644
--- a/tests/unit/test_tiler.py
+++ b/tests/unit/test_tiler.py
@@ -129,7 +129,7 @@ def it_can_generate_random_coordinates(self, request, tmpdir):
         image.save(os.path.join(tmp_path_, "mywsi.png"), "PNG")
         slide_path = os.path.join(tmp_path_, "mywsi.png")
         slide = Slide(slide_path, "processed")
-        _box_mask_thumb = method_mock(request, RandomTiler, "box_mask_thumb")
+        _box_mask_thumb = method_mock(request, RandomTiler, "box_mask")
         _box_mask_thumb.return_value = NpArrayMock.ONES_500X500_BOOL
         _tile_size = property_mock(request, RandomTiler, "tile_size")
         _tile_size.return_value = (128, 128)
@@ -169,7 +169,7 @@ def it_knows_its_box_mask(self, request, tmpdir, check_tissue, expected_box):
         _biggest_tissue_box_mask.return_value = expected_box
         random_tiler = RandomTiler((128, 128), 10, 0, check_tissue=check_tissue)
 
-        box_mask = random_tiler.box_mask_thumb(slide)
+        box_mask = random_tiler.box_mask(slide)
 
         _biggest_tissue_box_mask.assert_called_once_with()
         assert type(box_mask) == np.ndarray
@@ -446,7 +446,7 @@ def it_knows_its_box_mask(self, request, tmpdir, check_tissue, expected_box):
         _biggest_tissue_box_mask.return_value = expected_box
         grid_tiler = GridTiler((128, 128), 0, check_tissue=check_tissue)
 
-        box_mask = grid_tiler.box_mask_thumb(slide)
+        box_mask = grid_tiler.box_mask(slide)
 
         _biggest_tissue_box_mask.assert_called_once_with()
         assert type(box_mask) == np.ndarray