diff --git a/merkly/mtree.py b/merkly/mtree.py
index 686ece5..41069a3 100644
--- a/merkly/mtree.py
+++ b/merkly/mtree.py
@@ -55,7 +55,7 @@ def __init__(
         self.hash_function: Callable[[str], str] = hash_function
         self.raw_leafs: List[str] = leafs
         self.leafs: List[str] = self.__hash_leafs(leafs)
-        self.short_leafs: List[str] = self.short(leafs)
+        self.short_leafs: List[str] = self.short(self.leafs)
 
     def __hash_leafs(self, leafs: List[str]) -> List[str]:
         return list(map(self.hash_function, leafs))
diff --git a/pyproject.toml b/pyproject.toml
index 54b2b5f..87ca035 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "merkly"
-version = "0.7.1"
+version = "0.7.2"
 description = "🌳 The simple and easy implementation of Merkle Tree"
 authors = ["Lucas Oliveira <olivmath@protonmail.com>"]
 repository = "https://github.com/olivmath/merkly.git"