diff --git a/pytiled_parser/layer.py b/pytiled_parser/layer.py
index 2376744..5e2fe57 100644
--- a/pytiled_parser/layer.py
+++ b/pytiled_parser/layer.py
@@ -34,7 +34,7 @@ class Layer:
             for more info.
     """
 
-    id_: int
+    id: int
     name: str
 
     height: int