diff --git a/pytec/pytec/gui/view/param_tree.json b/pytec/pytec/gui/view/param_tree.json
index 2829687..798dfd1 100644
--- a/pytec/pytec/gui/view/param_tree.json
+++ b/pytec/pytec/gui/view/param_tree.json
@@ -33,14 +33,10 @@
                   "Constant Current": "constant_current",
                   "Temperature PID": "temperature_pid"
                },
-               "activaters": [
-                  null,
-                  [
-                     "pwm",
-                     "ch",
-                     "pid"
-                  ]
-               ],
+               "thermostat:set_param": {
+                  "topic": "pwm",
+                  "field": "pid"
+               },
                "tip": "Select control method of output",
                "children": [
                   {
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 89c0dc3..cab3161 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -270,13 +270,20 @@ class MainWindow(QtWidgets.QMainWindow):
                 if "thermostat:set_param" in inner_param.opts:
                     thermostat_param = inner_param.opts["thermostat:set_param"]
 
+                    # Handle thermostat command irregularities
+                    match inner_param.name(), new_value:
+                        case "rate", "":
+                            thermostat_param = thermostat_param.copy()
+                            thermostat_param["field"] = "off"
+                        case "control_method", "constant_current":
+                            inner_param = inner_param.child("i_set")
+                            thermostat_param = inner_param.opts["thermostat:set_param"]
+                            new_value = inner_param.value()
+                        case "control_method", "temperature_pid":
+                            new_value = ""
+
                     if inner_param.opts.get("title", None).endswith(" (mA)"):
                         new_value /= 1000  # Given in mA
-
-                    if inner_param.name() == "rate" and new_value == "":
-                        thermostat_param = thermostat_param.copy()
-                        thermostat_param["field"] = "off"
-
                     inner_param.setOpts(lock=True)
                     await self.client.set_param(
                         channel=ch, value=new_value, **thermostat_param
@@ -287,15 +294,6 @@ class MainWindow(QtWidgets.QMainWindow):
                     autotuner_param = inner_param.opts["pid_autotune"]
                     self.autotuners.set_params(ch=ch, val=new_value, **autotuner_param)
 
-                if "activaters" in inner_param.opts:
-                    activater = inner_param.opts["activaters"][
-                        inner_param.reverse[0].index(data)  # ListParameter.reverse = list of codename values
-                    ]
-                    if activater is not None:
-                        if activater[1] == "ch":
-                            activater[1] = ch
-                        await self.client.set_param(*activater)
-
     @asyncSlot()
     async def pid_autotune_request(self, ch=0):
         match self.autotuners.get_state(ch):