diff --git a/src/sas/qtgui/Plotting/PlotterBase.py b/src/sas/qtgui/Plotting/PlotterBase.py
index ca118603b7..772cb19921 100644
--- a/src/sas/qtgui/Plotting/PlotterBase.py
+++ b/src/sas/qtgui/Plotting/PlotterBase.py
@@ -130,7 +130,7 @@ def __init__(self, parent=None, manager=None, quickplot=False):
             else:
                 self.toolbar.hide() # hide for the time being
             # Notify PlotHelper about the new plot
-            self.upatePlotHelper()
+            self.updatePlotHelper()
         else:
             self.toolbar.hide()
 
@@ -227,7 +227,7 @@ def update(self):
     def draw(self):
         self.figure.canvas.draw()
 
-    def upatePlotHelper(self):
+    def updatePlotHelper(self):
         """
         Notify the plot helper about the new plot
         """