diff --git a/View/acoustic_data_tab.py b/View/acoustic_data_tab.py
index c15dd50..374386b 100644
--- a/View/acoustic_data_tab.py
+++ b/View/acoustic_data_tab.py
@@ -289,7 +289,7 @@ class AcousticDataTab(QWidget):
         self.lineEdit_kt.setMaximumWidth(100)
 
         self.label_kt_unit = QLabel()
-        self.label_kt_unit.setText("V.m^1.5")
+        self.label_kt_unit.setText("<p>V.m<sup>1.5</sup></p>")
 
         self.checkbox_kt = QCheckBox()
         self.checkbox_kt.setChecked(True)
@@ -304,7 +304,7 @@ class AcousticDataTab(QWidget):
         self.lineEdit_sound_attenuation.setMaximumWidth(100)
 
         self.label_sound_attenuation_unit = QLabel()
-        self.label_sound_attenuation_unit.setText("/m")
+        self.label_sound_attenuation_unit.setText("<p>m<sup>-1</sup><p>")
 
         self.label_profiles = QLabel()
         self.label_profiles_value = QLabel()
@@ -2552,6 +2552,7 @@ class AcousticDataTab(QWidget):
         stg.freq_bottom_detection.append(())
         stg.depth_bottom_detection_1st_int_area.append([])
 
+        stg.BS_mean.append(np.array([]))
         stg.BS_noise_raw_data.append(np.array([]))
         stg.BS_noise_averaged_data.append(np.array([]))
         stg.SNR_raw_data.append(np.array([]))
diff --git a/View/signal_processing_tab.py b/View/signal_processing_tab.py
index bb6697e..2b518b1 100644
--- a/View/signal_processing_tab.py
+++ b/View/signal_processing_tab.py
@@ -1874,7 +1874,7 @@ class SignalProcessingTab(QWidget):
 
     def compute_averaged_BS_data(self):
 
-        kernel_avg = np.ones(2 * int(self.lineEdit_horizontal_average.text().replace(",", ".")) + 1)
+        kernel_avg = np.ones(2 * int(float(self.lineEdit_horizontal_average.text().replace(",", "."))) + 1)
         print(kernel_avg)
 
         stg.Nb_cells_to_average_BS_signal[self.combobox_acoustic_data_choice.currentIndex()] = (