diff --git a/include/wx/kbdstate.h b/include/wx/kbdstate.h
index b50c2a4fce..25b660c0df 100644
--- a/include/wx/kbdstate.h
+++ b/include/wx/kbdstate.h
@@ -28,6 +28,9 @@ public:
           m_shiftDown(shiftDown),
           m_altDown(altDown),
           m_metaDown(metaDown)
+#ifdef __WXOSX__
+          ,m_rawControlDown(false)
+#endif
     {
     }