diff --git a/pytec/pytec/gui/view/ctrl_panel.py b/pytec/pytec/gui/view/ctrl_panel.py
index 858d8de..d29f7d2 100644
--- a/pytec/pytec/gui/view/ctrl_panel.py
+++ b/pytec/pytec/gui/view/ctrl_panel.py
@@ -142,11 +142,13 @@ class CtrlPanel(QObject):
                     "output", "control_method", "i_set"
                 ).setValue(settings["i_set"])
                 if settings["temperature"] is not None:
-                    self.params[channel].child("temperature").setValue(
+                    self.params[channel].child("readings", "temperature").setValue(
                         settings["temperature"]
                     )
                     if settings["tec_i"] is not None:
-                        self.params[channel].child("tec_i").setValue(settings["tec_i"])
+                        self.params[channel].child("readings", "tec_i").setValue(
+                            settings["tec_i"]
+                        )
 
     @pyqtSlot("QVariantList")
     def update_thermistor(self, sh_data):
diff --git a/pytec/pytec/gui/view/param_tree.json b/pytec/pytec/gui/view/param_tree.json
index 42e4e5a..7a5ffdd 100644
--- a/pytec/pytec/gui/view/param_tree.json
+++ b/pytec/pytec/gui/view/param_tree.json
@@ -1,23 +1,31 @@
 {
    "ctrl_panel": [
       {
-         "name": "temperature",
-         "title": "Temperature",
-         "type": "float",
-         "format": "{value:.4f} {suffix}",
-         "suffix": "°C",
-         "readonly": true,
-         "tip": "The measured temperature at the thermistor"
-      },
-      {
-         "name": "tec_i",
-         "title": "Current through TEC",
-         "type": "float",
-         "siPrefix": true,
-         "suffix": "A",
-         "decimals": 6,
-         "readonly": true,
-         "tip": "The measured current through the TEC"
+         "name": "readings",
+         "title": "Readings",
+         "type": "group",
+         "tip": "Thermostat readings",
+         "children": [
+            {
+               "name": "temperature",
+               "title": "Temperature",
+               "type": "float",
+               "format": "{value:.4f} {suffix}",
+               "suffix": "°C",
+               "readonly": true,
+               "tip": "The measured temperature at the thermistor"
+            },
+            {
+               "name": "tec_i",
+               "title": "Current through TEC",
+               "type": "float",
+               "siPrefix": true,
+               "suffix": "A",
+               "decimals": 6,
+               "readonly": true,
+               "tip": "The measured current through the TEC"
+            }
+         ]
       },
       {
          "name": "output",