diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 63876c8..f824a4a 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -213,7 +213,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         {'name': 'Current through TEC', 'type': 'float', 'suffix': 'mA', 'decimals': 6, 'readonly': True},
         {'name': 'Output Config', 'expanded': True, 'type': 'group', 'children': [
             {'name': 'Control Method', 'type': 'mutex', 'limits': {'Constant Current': False, 'Temperature PID': True},
-            'param': ('pwm', ch, 'pid'), 'children': [
+            'activater': ('pwm', ch, 'pid'), 'children': [
                 {'name': 'Set Current', 'type': 'float', 'value': 0, 'step': 100, 'limits': (-3000, 3000), 'triggerOnShow': True,
                 'decimals': 6, 'suffix': 'mA', 'param': ('pwm', ch, 'i_set')},
                 {'name': 'Set Temperature', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-273, 300),
@@ -662,19 +662,18 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         for inner_param, change, data in changes:
             if change == 'value':
                 if inner_param.opts.get("param", None) is not None:
-                    if inner_param.name() == 'Control Method' and not data:
-                        return
                     if 'Current' in inner_param.name():
                         data /= 1000 # Given in mA
 
                     thermostat_param = inner_param.opts["param"]
                     if inner_param.name() == 'Postfilter Rate' and data == None:
                         set_param_args = (*thermostat_param[:2], 'off')
-                    elif inner_param.name() == 'Control Method':
-                        set_param_args = thermostat_param
                     else:
                         set_param_args = (*thermostat_param, data)
                     await self.client.set_param(*set_param_args)
+                if inner_param.opts.get('activater', None) is not None:
+                    if data:
+                        await self.client.set_param(*inner_param.opts['activater'])
 
 
     def _set_param_tree(self):