diff --git a/build.md b/build.md
index f1c1127..3a20884 100644
--- a/build.md
+++ b/build.md
@@ -20,13 +20,13 @@ cd ~/workspace/src/oekofen-api
 ```
 
 ### Push git changes
-- Neue Version in der setup.py eintragen 0.0.22
+- Neue Version in der setup.py eintragen 0.0.23
 - Mit git changes pushen!!
 
 ### github Release erstellen
 - https://github.com/ckarrie/oekofen-api/releases/new
-- Tag (create new): v0.0.22
-- Title: v0.0.22
+- Tag (create new): v0.0.23
+- Title: v0.0.23
 - Button "Publish Release"
 
 ### Anpassen in setup.py
@@ -34,7 +34,7 @@ cd ~/workspace/src/oekofen-api
 nano setup.py
 ```
 ```python
-VERSION = "0.0.22"
+VERSION = "0.0.23"
 
 ```
 
@@ -60,7 +60,7 @@ twine upload dist/*
 Lokal updaten
 
 ```
-pip install oekofen-api==0.0.22
+pip install oekofen-api==0.0.23
 ```
 
 ## Update homeassistant-oekofen
diff --git a/oekofen_api/__init__.py b/oekofen_api/__init__.py
index eeeb0a9..51bf74f 100644
--- a/oekofen_api/__init__.py
+++ b/oekofen_api/__init__.py
@@ -353,7 +353,7 @@ def get_value(self, value=None):
         if value is not None:
             if self.factor is not None:
                 # i.e. temperature or zs (zehntelsekunden, 0,1 seconds)
-                v = value * self.factor
+                v = float(value) * self.factor
                 return float("{:.2f}".format(round(v, 2)))
             if self.format == const.OFF_ON_TEXT:
                 # bool on/off
diff --git a/setup.py b/setup.py
index 66e2c43..49c40c4 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 with open("README.md", "r") as f:
     long_description = f.read()
 
-VERSION = "0.0.22"
+VERSION = "0.0.23"
 
 setup(
     name="oekofen_api",