diff --git a/fluents/plots.py b/fluents/plots.py
index 4be34d3..9c4e75a 100644
--- a/fluents/plots.py
+++ b/fluents/plots.py
@@ -187,7 +187,7 @@ class LineViewPlot(Plot):
             if minor_axis==0:
                 self._mn_data = self._data.mean(minor_axis)
             else:
-                self._mn_data = self._data.mean(minor_axis)[:,newaxis]
+                self._mn_data = self._data.mean(minor_axis)[:,scipy.newaxis]
             self._data = self._data - self._mn_data 
             self.data_is_centered = True
         #initial line collection