diff --git a/View/signal_processing_tab.py b/View/signal_processing_tab.py
index d584e71..707f82e 100644
--- a/View/signal_processing_tab.py
+++ b/View/signal_processing_tab.py
@@ -1260,11 +1260,19 @@ class SignalProcessingTab(QWidget):
 
     def remove_point_with_snr_filter(self):
 
-        if len(stg.BS_noise_raw_data) == 0:
+        if len(stg.filename_BS_raw_data) == 0:
+            msgBox = QMessageBox()
+            msgBox.setWindowTitle("Compute noise from profile tail error")
+            msgBox.setIcon(QMessageBox.Warning)
+            msgBox.setText("Download acoustic data in previous tab before applying SNR filter")
+            msgBox.setStandardButtons(QMessageBox.Ok)
+            msgBox.exec()
+
+        elif len(stg.BS_noise_raw_data) == 0:
             msgBox = QMessageBox()
             msgBox.setWindowTitle("SNR filter Error")
             msgBox.setIcon(QMessageBox.Warning)
-            msgBox.setText("Load Noise data from acoustic data tab before using SNR filter")
+            msgBox.setText("Define noise data (file or profile tail) before using SNR filter")
             msgBox.setStandardButtons(QMessageBox.Ok)
             msgBox.exec()