diff --git a/modules/base_plugins/dummy_temp/__init__.py b/modules/base_plugins/dummy_temp/__init__.py
index bc81d85..2c55b03 100644
--- a/modules/base_plugins/dummy_temp/__init__.py
+++ b/modules/base_plugins/dummy_temp/__init__.py
@@ -63,7 +63,7 @@ class DummyTempSensor(SensorActive):
         '''
         while self.is_running() is True:
             if not self.current_temp:
-                self.current_temp = self.temp
+                self.current_temp = float(self.temp)
             self.data_received(self.current_temp)
             new_temp = float(self.current_temp) + float(self.inc)
             if float(self.min_temp) <= new_temp <= float(self.max_temp):