diff --git a/include/wx/generic/spinctlg.h b/include/wx/generic/spinctlg.h
index 89a0501f0d..bdd0d4e55e 100644
--- a/include/wx/generic/spinctlg.h
+++ b/include/wx/generic/spinctlg.h
@@ -80,7 +80,7 @@ public:
     // forward these functions to all subcontrols
     virtual bool Enable(bool enable = true);
     virtual bool Show(bool show = true);
-    virtual bool Reparent(wxWindow *newParent);
+    virtual bool Reparent(wxWindowBase *newParent);
 
     // get the subcontrols
     wxTextCtrl   *GetText() const       { return m_textCtrl; }
diff --git a/src/generic/spinctlg.cpp b/src/generic/spinctlg.cpp
index b80e54ddb3..1235d9819c 100644
--- a/src/generic/spinctlg.cpp
+++ b/src/generic/spinctlg.cpp
@@ -306,7 +306,7 @@ bool wxSpinCtrlGenericBase::Show(bool show)
     return true;
 }
 
-bool wxSpinCtrlGenericBase::Reparent(wxWindow *newParent)
+bool wxSpinCtrlGenericBase::Reparent(wxWindowBase *newParent)
 {
     if ( m_spinButton )
     {