diff --git a/wxPython/wx/lib/mixins/listctrl.py b/wxPython/wx/lib/mixins/listctrl.py
index 0a8bb8c6f0..99cd83ee4a 100644
--- a/wxPython/wx/lib/mixins/listctrl.py
+++ b/wxPython/wx/lib/mixins/listctrl.py
@@ -209,7 +209,7 @@ class ListCtrlAutoWidthMixin:
 
             'minWidth' is the preferred minimum width for the last column.
         """
-        self.resizeColumn(self, minWidth)
+        self.resizeColumn(minWidth)
 
 
     def resizeColumn(self, minWidth):