diff --git a/include/wx/generic/spinctlg.h b/include/wx/generic/spinctlg.h
index 19a78bb881..2cc581c928 100644
--- a/include/wx/generic/spinctlg.h
+++ b/include/wx/generic/spinctlg.h
@@ -96,7 +96,7 @@ public:
     // shouldn't accept the focus at all and any attempts to explicitly set
     // focus to it should give focus to its text constol part
     virtual bool AcceptsFocus() const { return false; }
-    virtual void SetFocus() { if ( m_textCtrl ) m_textCtrl->SetFocus(); }
+    virtual void SetFocus();
 
     friend class wxSpinCtrlTextGeneric;
 
diff --git a/src/generic/spinctlg.cpp b/src/generic/spinctlg.cpp
index d872780e9c..d3c1cdb4a6 100644
--- a/src/generic/spinctlg.cpp
+++ b/src/generic/spinctlg.cpp
@@ -279,6 +279,12 @@ void wxSpinCtrlGenericBase::DoMoveWindow(int x, int y, int width, int height)
 // operations forwarded to the subcontrols
 // ----------------------------------------------------------------------------
 
+void wxSpinCtrlGenericBase::SetFocus()
+{
+    if ( m_textCtrl )
+        m_textCtrl->SetFocus();
+}
+
 bool wxSpinCtrlGenericBase::Enable(bool enable)
 {
     // Notice that we never enable this control itself, it must stay disabled