diff --git a/pytec/pytec/gui/view/ctrl_panel.py b/pytec/pytec/gui/view/ctrl_panel.py
index d166531..7bc39db 100644
--- a/pytec/pytec/gui/view/ctrl_panel.py
+++ b/pytec/pytec/gui/view/ctrl_panel.py
@@ -50,7 +50,7 @@ class CtrlPanel(QObject):
     def __init__(
         self,
         thermostat,
-        autotuner,
+        autotuners,
         info_box,
         trees_ui,
         param_tree,
@@ -60,7 +60,7 @@ class CtrlPanel(QObject):
         super().__init__(parent)
 
         self.thermostat = thermostat
-        self.autotuner = autotuner
+        self.autotuners = autotuners
         self.info_box = info_box
         self.trees_ui = trees_ui
         self.NUM_CHANNELS = len(trees_ui)