diff --git a/include/wx/msw/checkbox.h b/include/wx/msw/checkbox.h
index bdb5ae353f..c8416e0eae 100644
--- a/include/wx/msw/checkbox.h
+++ b/include/wx/msw/checkbox.h
@@ -59,7 +59,7 @@ public:
     virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const;
 
 protected:
-    virtual wxSize DoGetBestSize() const;
+    virtual wxSize DoGetBestClientSize() const;
 
     virtual void DoSet3StateValue(wxCheckBoxState value);
     virtual wxCheckBoxState DoGet3StateValue() const;
diff --git a/src/msw/checkbox.cpp b/src/msw/checkbox.cpp
index 82433cd966..4912796413 100644
--- a/src/msw/checkbox.cpp
+++ b/src/msw/checkbox.cpp
@@ -134,7 +134,7 @@ WXDWORD wxCheckBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 // wxCheckBox geometry
 // ----------------------------------------------------------------------------
 
-wxSize wxCheckBox::DoGetBestSize() const
+wxSize wxCheckBox::DoGetBestClientSize() const
 {
     static int s_checkSize = 0;