diff --git a/pyproject.toml b/pyproject.toml
index 00132e9..07d959d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ezserialization"
-version = "0.5.1"
+version = "0.5.2"
 description = "Simple, easy to use & transparent python objects serialization & deserialization."
 authors = ["Matas Gumbinas <matas.gumbinas@gmail.com>"]
 repository = "https://github.com/gMatas/ezserialization"
diff --git a/src/ezserialization/_serialization.py b/src/ezserialization/_serialization.py
index c26153f..856b0db 100644
--- a/src/ezserialization/_serialization.py
+++ b/src/ezserialization/_serialization.py
@@ -216,8 +216,8 @@ def deserialize(src: Mapping) -> Serializable:
     typename = src[type_field_name]
     assert isinstance(typename, str), f"`typename` must be a string! Received {type(typename)=}"
 
+    typename_alias = None
     if typename not in _types_:
-        typename_alias = None
         if typename in _typename_aliases_:
             typename_alias = typename
             typename = _typename_aliases_[typename]
@@ -231,6 +231,6 @@ def deserialize(src: Mapping) -> Serializable:
                 err_msg += f" ({typename_alias=})"
             raise ImportError(err_msg)
 
-    cls = _types_[typename]
+    cls = _types_[typename if typename_alias is None else typename_alias]
     obj = cls.from_dict(src)
     return obj