diff --git a/laydi/view.py b/laydi/view.py
index 48924ca..3ddaa8e 100644
--- a/laydi/view.py
+++ b/laydi/view.py
@@ -695,6 +695,7 @@ class SelectLassoPlotMode(PlotMode):
         for ax in self.canvas.figure.get_axes():
             lasso = Selector(ax, self.plot.lasso_select_callback,
                              select_type='lasso')
+            self.lasso = lasso
             self.cids.append(self.canvas.mpl_connect('button_release_event',
                                                      lasso._onrelease))
             self.cids.append(self.canvas.mpl_connect('motion_notify_event',
@@ -704,6 +705,7 @@ class SelectLassoPlotMode(PlotMode):
     def deactivate(self):
         for cid in self.cids:
             self.canvas.mpl_disconnect(cid)
+        self.lasso = None
 
 
 class SelectRectanglePlotMode(PlotMode):
@@ -717,6 +719,7 @@ class SelectRectanglePlotMode(PlotMode):
         for ax in self.canvas.figure.get_axes():
             lasso = Selector(ax, self.plot.rectangle_select_callback,
                              select_type='rectangle')
+            self.lasso = lasso
             self.cids.append(self.canvas.mpl_connect('button_release_event',
                                                      lasso._onrelease))
             self.cids.append(self.canvas.mpl_connect('motion_notify_event',
@@ -726,6 +729,7 @@ class SelectRectanglePlotMode(PlotMode):
     def deactivate(self):
         for cid in self.cids:
             self.canvas.mpl_disconnect(cid)
+        self.lasso = None
 
 
 class PlotToolbar(gtk.Toolbar):