diff --git a/city_model_structure/dhw_facilities.py b/city_model_structure/dhw_facilities.py
index afb8d75f..92a4ca70 100644
--- a/city_model_structure/dhw_facilities.py
+++ b/city_model_structure/dhw_facilities.py
@@ -28,7 +28,7 @@ class domestic_hot_water:
     """
     return self._number_of_baths
 
-   @property
+  @property
   def number_of_showers(self):
       """
       Get number of showers of a building unit