diff --git a/xija/gui_fit/plots.py b/xija/gui_fit/plots.py
index d5966aa..1a2d5b9 100644
--- a/xija/gui_fit/plots.py
+++ b/xija/gui_fit/plots.py
@@ -284,7 +284,6 @@ def __init__(self, model, hist_msids):
         self.max_limit = -1000
         self.min_limit = 1000
 
-        self.canvas = canvas
         self.ax1 = self.fig.add_subplot(1, 2, 1)
         self.ax2 = self.fig.add_subplot(1, 2, 2)
         self.plot_dict = {}
@@ -505,7 +504,8 @@ def update_plots(self):
                 xpos_max, ystart, 'Maximum Error', 
                 ha="left", va="center", rotation=90, clip_on=True)
 
-        self.canvas.draw_idle()
+        self.fig.canvas.draw_idle()
+        self.fig.canvas.flush_events()
 
 
 class PlotBox(QtWidgets.QVBoxLayout):
@@ -659,6 +659,7 @@ def update(self, first=False):
         self.fig.canvas.draw_idle()
         self.fig.canvas.flush_events()
 
+
 class PlotsBox(QtWidgets.QVBoxLayout):
     def __init__(self, model, main_window):
         super(QtWidgets.QVBoxLayout, self).__init__()