diff --git a/custom_components/zont_ha/core/models_zont_old.py b/custom_components/zont_ha/core/models_zont_old.py
index 3cfb26d..ea8e93d 100644
--- a/custom_components/zont_ha/core/models_zont_old.py
+++ b/custom_components/zont_ha/core/models_zont_old.py
@@ -35,7 +35,7 @@ class DeviceZontOld(BaseModel):
     id: int
     serial: str
     name: str
-    widget_type: str
+    widget_type: str | None
     appliance_type: str
     tempstep: float = 0.1
     firmware_version: list | None
diff --git a/custom_components/zont_ha/manifest.json b/custom_components/zont_ha/manifest.json
index 78d499e..6702a4b 100644
--- a/custom_components/zont_ha/manifest.json
+++ b/custom_components/zont_ha/manifest.json
@@ -7,5 +7,5 @@
   "integration_type": "hub",
   "dependencies": ["http", "zeroconf"],
   "requirements": [],
-  "version": "0.4.5"
+  "version": "0.4.6"
 }
\ No newline at end of file