diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 1a12909..9ab7b05 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -222,7 +222,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
 
     """Thermostat parameters that are particular to a channel"""
     THERMOSTAT_PARAMETERS = [[
-        {'name': 'Temperature', 'type': 'float', 'siPrefix': True, 'suffix': '°C', 'readonly': True},
+        {'name': 'Temperature', 'type': 'float', 'siPrefix': True, 'suffix': '°C', 'decimals': 6, 'readonly': True},
         {'name': 'Current through TEC', 'type': 'float', 'siPrefix': True, 'suffix': 'A', 'readonly': True},
         {'name': 'Output Config', 'expanded': True, 'type': 'group', 'children': [
             {'name': 'Control Method', 'type': 'mutex', 'limits': {'Constant Current': False, 'Temperature PID': True},