diff --git a/pytec/pytec/gui/view/ctrl_panel.py b/pytec/pytec/gui/view/ctrl_panel.py
index ee64c67..b3a9294 100644
--- a/pytec/pytec/gui/view/ctrl_panel.py
+++ b/pytec/pytec/gui/view/ctrl_panel.py
@@ -165,7 +165,7 @@ class CtrlPanel(QObject):
                     auto_tuner_param = inner_param.opts["pid_autotune"]
                     self.autotuners.set_params(auto_tuner_param, ch, new_value)
 
-    @pyqtSlot("QVariantList")
+    @pyqtSlot(list)
     def update_pid(self, pid_settings):
         for settings in pid_settings:
             channel = settings["channel"]
@@ -189,7 +189,7 @@ class CtrlPanel(QObject):
                     "Output Config", "Control Method", "Set Temperature"
                 ).setValue(settings["target"])
 
-    @pyqtSlot("QVariantList")
+    @pyqtSlot(list)
     def update_report(self, report_data):
         for settings in report_data:
             channel = settings["channel"]
@@ -209,7 +209,7 @@ class CtrlPanel(QObject):
                             settings["tec_i"] * 1000
                         )
 
-    @pyqtSlot("QVariantList")
+    @pyqtSlot(list)
     def update_thermistor(self, sh_data):
         for sh_param in sh_data:
             channel = sh_param["channel"]
@@ -224,7 +224,7 @@ class CtrlPanel(QObject):
                     sh_param["params"]["b"]
                 )
 
-    @pyqtSlot("QVariantList")
+    @pyqtSlot(list)
     def update_pwm(self, pwm_data):
         for pwm_params in pwm_data:
             channel = pwm_params["channel"]
@@ -239,7 +239,7 @@ class CtrlPanel(QObject):
                     "Output Config", "Limits", "Max Heating Current"
                 ).setValue(pwm_params["max_i_neg"]["value"] * 1000)
 
-    @pyqtSlot("QVariantList")
+    @pyqtSlot(list)
     def update_postfilter(self, postfilter_data):
         for postfilter_params in postfilter_data:
             channel = postfilter_params["channel"]
diff --git a/pytec/pytec/gui/view/zero_limits_warning_view.py b/pytec/pytec/gui/view/zero_limits_warning_view.py
index de0e641..116cb3d 100644
--- a/pytec/pytec/gui/view/zero_limits_warning_view.py
+++ b/pytec/pytec/gui/view/zero_limits_warning_view.py
@@ -10,7 +10,7 @@ class ZeroLimitsWarningView(QObject):
         self._lbl = limit_warning
         self._style = style
 
-    @pyqtSlot("QVariantList")
+    @pyqtSlot(list)
     def set_limits_warning(self, pwm_data: list):
         channels_zeroed_limits = [set() for i in range(self._thermostat.NUM_CHANNELS)]