diff --git a/src/pyatmo/modules/base_class.py b/src/pyatmo/modules/base_class.py
index dbc88779..c8bc5578 100644
--- a/src/pyatmo/modules/base_class.py
+++ b/src/pyatmo/modules/base_class.py
@@ -27,6 +27,7 @@
     "monitoring": lambda x, _: x.get("monitoring", False) == "on",
     "battery_level": lambda x, y: x.get("battery_vp", x.get("battery_level")),
     "place": lambda x, _: Place(x.get("place")),
+    "target_position__step": lambda x, _: x.get("target_position:step"),
 }
 
 
diff --git a/src/pyatmo/modules/module.py b/src/pyatmo/modules/module.py
index b918c2b4..6fe8ef86 100644
--- a/src/pyatmo/modules/module.py
+++ b/src/pyatmo/modules/module.py
@@ -409,6 +409,7 @@ def __init__(self, home: Home, module: ModuleT):
         super().__init__(home, module)  # type: ignore # mypy issue 4335
         self.current_position: int | None = None
         self.target_position: int | None = None
+        self.target_position__step: int | None = None
 
     async def async_set_target_position(self, target_position: int) -> bool:
         """Set shutter to target position."""