diff --git a/include/wx/univ/control.h b/include/wx/univ/control.h
index bd34f2eb76..3a0217dfed 100644
--- a/include/wx/univ/control.h
+++ b/include/wx/univ/control.h
@@ -80,7 +80,7 @@ public:
     // return the accel char itself or 0 if none
     wxChar GetAccelChar() const
     {
-        return m_indexAccel == -1 ? _T('\0') : m_label[m_indexAccel];
+        return m_indexAccel == -1 ? _T('\0') : (wxChar)m_label[m_indexAccel];
     }
 
     virtual wxWindow *GetInputWindow() const { return (wxWindow*)this; }