diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index c20a649..c48fcaf 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -277,8 +277,8 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         self.fan_group = QtWidgets.QWidget()
         self.fan_group.setEnabled(False)
         self.fan_group.setMinimumSize(QtCore.QSize(40, 0))
-        self.gan_layout = QtWidgets.QHBoxLayout(self.fan_group)
-        self.gan_layout.setSpacing(9)
+        self.fan_layout = QtWidgets.QHBoxLayout(self.fan_group)
+        self.fan_layout.setSpacing(9)
         self.fan_lbl = QtWidgets.QLabel(parent=self.fan_group)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding)
         sizePolicy.setHeightForWidth(self.fan_lbl.sizePolicy().hasHeightForWidth())
@@ -286,7 +286,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         self.fan_lbl.setMinimumSize(QtCore.QSize(40, 0))
         self.fan_lbl.setMaximumSize(QtCore.QSize(40, 16777215))
         self.fan_lbl.setBaseSize(QtCore.QSize(40, 0))
-        self.gan_layout.addWidget(self.fan_lbl)
+        self.fan_layout.addWidget(self.fan_lbl)
         self.fan_power_slider = QtWidgets.QSlider(parent=self.fan_group)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding)
         sizePolicy.setHeightForWidth(self.fan_power_slider.sizePolicy().hasHeightForWidth())
@@ -296,17 +296,17 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         self.fan_power_slider.setBaseSize(QtCore.QSize(200, 0))
         self.fan_power_slider.setRange(1, 100)
         self.fan_power_slider.setOrientation(QtCore.Qt.Orientation.Horizontal)
-        self.gan_layout.addWidget(self.fan_power_slider)
+        self.fan_layout.addWidget(self.fan_power_slider)
         self.fan_auto_box = QtWidgets.QCheckBox(parent=self.fan_group)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding)
         sizePolicy.setHeightForWidth(self.fan_auto_box.sizePolicy().hasHeightForWidth())
         self.fan_auto_box.setSizePolicy(sizePolicy)
         self.fan_auto_box.setMinimumSize(QtCore.QSize(70, 0))
         self.fan_auto_box.setMaximumSize(QtCore.QSize(70, 16777215))
-        self.gan_layout.addWidget(self.fan_auto_box)
+        self.fan_layout.addWidget(self.fan_auto_box)
         self.fan_pwm_warning = QtWidgets.QLabel(parent=self.fan_group)
         self.fan_pwm_warning.setMinimumSize(QtCore.QSize(16, 0))
-        self.gan_layout.addWidget(self.fan_pwm_warning)
+        self.fan_layout.addWidget(self.fan_pwm_warning)
 
         self.fan_power_slider.valueChanged.connect(self.fan_set)
         self.fan_auto_box.stateChanged.connect(self.fan_auto_set)