diff --git a/src/stc/stc.cpp.in b/src/stc/stc.cpp.in
index 592e6da131..b20db627fa 100644
--- a/src/stc/stc.cpp.in
+++ b/src/stc/stc.cpp.in
@@ -25,6 +25,7 @@
 #if wxUSE_STC
 
 #include "wx/stc/stc.h"
+#include "wx/stc/private.h"
 
 #ifndef WX_PRECOMP
     #include "wx/wx.h"