diff --git a/include/wx/gtk1/checklst.h b/include/wx/gtk1/checklst.h
index e96e56a746..305ca0c386 100644
--- a/include/wx/gtk1/checklst.h
+++ b/include/wx/gtk1/checklst.h
@@ -28,7 +28,7 @@
 // wxCheckListBox
 // ----------------------------------------------------------------------------
 
-class WXDLLIMPEXP_CORE wxCheckListBox : public wxListBox
+class WXDLLIMPEXP_CORE wxCheckListBox : public wxCheckListBoxBase
 {
 public:
     wxCheckListBox();
diff --git a/src/gtk1/checklst.cpp b/src/gtk1/checklst.cpp
index bb84a1816d..8f449b93e2 100644
--- a/src/gtk1/checklst.cpp
+++ b/src/gtk1/checklst.cpp
@@ -22,7 +22,7 @@
 // wxCheckListBox
 //-----------------------------------------------------------------------------
 
-wxCheckListBox::wxCheckListBox() : wxListBox()
+wxCheckListBox::wxCheckListBox() : wxCheckListBoxBase()
 {
     m_hasCheckBoxes = true;
 }