diff --git a/etg/grid.py b/etg/grid.py
index 770aba03..66298871 100644
--- a/etg/grid.py
+++ b/etg/grid.py
@@ -424,7 +424,7 @@ def run():
     #-----------------------------------------------------------------
     c = module.find('wxGrid')
     tools.fixWindowClass(c, ignoreProtected=False)
-    c.bases = ['wxScrolledWindow']
+    c.bases = ['wxScrolledCanvas']
 
     c.find('GetColLabelAlignment.horiz').out = True
     c.find('GetColLabelAlignment.vert').out = True