diff --git a/thermostat.py b/thermostat.py
index 182e87a..874a32e 100644
--- a/thermostat.py
+++ b/thermostat.py
@@ -326,7 +326,7 @@ def thermostat_loop():
 #              logging.debug("Relay already off.")
     time.sleep(load_shedder_interval)
 
-t1 = Thread(thermostat_loop)
+t1 = Thread(target=thermostat_loop)
 logging.info("====== Ended successfully ======")
 
 #import argparse