diff --git a/ThermiaOnlineAPI/model/HeatPump.py b/ThermiaOnlineAPI/model/HeatPump.py
index 83d3076..f309212 100644
--- a/ThermiaOnlineAPI/model/HeatPump.py
+++ b/ThermiaOnlineAPI/model/HeatPump.py
@@ -59,7 +59,10 @@ def has_indoor_temp_sensor(self):
 
     @property
     def indoor_temperature(self):
-        return self.__status.get("indoorTemperature")
+        if self.has_indoor_temp_sensor:
+            return self.__status.get("indoorTemperature")
+        else:
+            return self.heat_temperature
 
     @property
     def is_outdoor_temp_sensor_functioning(self):
diff --git a/setup.py b/setup.py
index 9b2486a..66937e7 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 setup(
   name='ThermiaOnlineAPI',
   packages=['ThermiaOnlineAPI', 'ThermiaOnlineAPI.api', 'ThermiaOnlineAPI.model'],
-  version='1.7',
+  version='1.8',
   license='GPL-3.0',
   description='A Python API for Thermia heat pumps using https://online.thermia.se',
   long_description=long_description,