diff --git a/pytec/pytec/gui/view/param_tree.json b/pytec/pytec/gui/view/param_tree.json
index fff0a0d..28ce704 100644
--- a/pytec/pytec/gui/view/param_tree.json
+++ b/pytec/pytec/gui/view/param_tree.json
@@ -25,14 +25,10 @@
                    "Constant Current",
                    "Temperature PID"
                 ],
-                "activaters":[
-                   null,
-                   [
-                      "pwm",
-                      "ch",
-                      "pid"
-                   ]
-                ],
+                "thermostat:set_param":{
+                  "topic":"pwm",
+                  "field":"pid"
+                },
                 "children":[
                    {
                       "name":"Set Current",
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 70103fa..c760d88 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -273,10 +273,16 @@ class MainWindow(QtWidgets.QMainWindow):
 
                     thermostat_param = inner_param.opts["thermostat:set_param"]
 
-                    if inner_param.name() == "Postfilter Rate" and new_value is None:
-                        thermostat_param = thermostat_param.copy()
-                        thermostat_param["field"] = "off"
-                        new_value = ""
+                    # Handle thermostat command irregularities
+                    match inner_param.name(), new_value:
+                        case "Postfilter Rate", None:
+                            thermostat_param = thermostat_param.copy()
+                            thermostat_param["field"] = "off"
+                            new_value = ""
+                        case "Control Method", "Constant Current":
+                            return
+                        case "Control Method", "Temperature PID":
+                            new_value = ""
 
                     inner_param.setOpts(lock=True)
                     await self.client.set_param(
@@ -288,15 +294,6 @@ class MainWindow(QtWidgets.QMainWindow):
                     auto_tuner_param = inner_param.opts["pid_autotune"]
                     self.autotuners.set_params(auto_tuner_param, ch, new_value)
 
-                if "activaters" in inner_param.opts:
-                    activater = inner_param.opts["activaters"][
-                        inner_param.opts["limits"].index(data)
-                    ]
-                    if activater is not None:
-                        if activater[1] == "ch":
-                            activater[1] = ch
-                        await self.client.set_param(*activater)
-
     @asyncSlot()
     async def pid_auto_tune_request(self, ch=0):
         match self.autotuners.get_state(ch):