diff --git a/django_ltree/paths.py b/django_ltree/paths.py
index ffeef42..bbd9597 100644
--- a/django_ltree/paths.py
+++ b/django_ltree/paths.py
@@ -32,26 +32,27 @@ def __next__(self):
 
     next = __next__
 
-    def guess_the_label_size(self, path_size: int, combination_size: int) -> int:
+    @staticmethod
+    def guess_the_label_size(path_size: int, combination_size: int):
+        if path_size == 0:
+            return 1
+
         # The theoritical limit for this at the time of writing is 2_538_557_185_841_324_496 (python 3.12.2)
-        calculated_path_size = 0
+        calculated_path_size = +0
         # The theoritical limit for this at the time of writing is 32 (python 3.12.2)
         label_size = 0
 
         # THIS IS AN VERY IMPORTANT CHECK
         last = 0
 
-        while True:
+        while calculated_path_size < path_size:
             possible_cominations = math.comb(combination_size, label_size)
+
             if last > possible_cominations:
                 raise ValueError("We approached the limit of `math.comb`")
 
             last = possible_cominations
             calculated_path_size += possible_cominations
-
-            if calculated_path_size > path_size and label_size != 0:
-                break
-
             label_size += 1
 
         return label_size