diff --git a/mysignal/__init__.py b/mysignal/__init__.py
index 10939f0..8ce9b36 100644
--- a/mysignal/__init__.py
+++ b/mysignal/__init__.py
@@ -1 +1 @@
-__version__ = '0.1.2'
+__version__ = '0.1.3'
diff --git a/mysignal/phasefreq.py b/mysignal/phasefreq.py
index 6e95106..5132712 100644
--- a/mysignal/phasefreq.py
+++ b/mysignal/phasefreq.py
@@ -79,7 +79,7 @@ def filter_signal_by_modes(time, signal, num_modes=1, bandwidth_factor=0.1, nyqu
             # Créer le filtre Butterworth
             lowcut = lowcut / nyq
             highcut = highcut / nyq
-        b, a = butter(4, [low, high], btype='band')
+        b, a = butter(4, [lowcut, highcut], btype='band')
 
         # Appliquer le filtre (filtfilt pour éviter le déphasage)
         filtered_signal = filtfilt(b, a, signal_clean)