diff --git a/demo/agw/CustomTreeCtrl.py b/demo/agw/CustomTreeCtrl.py
index b52dce63..44aaffc5 100644
--- a/demo/agw/CustomTreeCtrl.py
+++ b/demo/agw/CustomTreeCtrl.py
@@ -1293,8 +1293,6 @@ class CustomTreeCtrl(CT.CustomTreeCtrl):
 
         CT.CustomTreeCtrl.__init__(self, parent, id, pos, size, style, agwStyle)
 
-        self.SetBackgroundColour(wx.WHITE)
-
         alldata = dir(CT)
 
         treestyles = []
diff --git a/demo/agw/HyperTreeList.py b/demo/agw/HyperTreeList.py
index 5f46b35d..f795e72c 100644
--- a/demo/agw/HyperTreeList.py
+++ b/demo/agw/HyperTreeList.py
@@ -1052,7 +1052,7 @@ class HyperTreeListDemo(wx.Frame):
         splitter.SplitVertically(self.leftpanel, panel, 300)
 
         splitter.SetMinimumPaneSize(120)
-        self.leftpanel.SetBackgroundColour(wx.WHITE)
+        #self.leftpanel.SetBackgroundColour(wx.WHITE)
         self.leftpanel.SetScrollRate(20, 20)
 
         self.Fit()
diff --git a/wx/lib/agw/customtreectrl.py b/wx/lib/agw/customtreectrl.py
index 5f996a5c..943395bf 100644
--- a/wx/lib/agw/customtreectrl.py
+++ b/wx/lib/agw/customtreectrl.py
@@ -2969,7 +2969,7 @@ class CustomTreeCtrl(wx.ScrolledWindow):
 
         self.SetValidator(validator)
 
-        attr = self.GetDefaultAttributes()
+        attr = wx.ListCtrl.GetClassDefaultAttributes()
         self.SetOwnForegroundColour(attr.colFg)
         self.SetOwnBackgroundColour(attr.colBg)