diff --git a/src/univ/textctrl.cpp b/src/univ/textctrl.cpp
index 0d66222326..a77d8187d2 100644
--- a/src/univ/textctrl.cpp
+++ b/src/univ/textctrl.cpp
@@ -128,6 +128,7 @@
     #include "wx/dcclient.h"
     #include "wx/validate.h"
     #include "wx/dataobj.h"
+    #include "wx/toplevel.h"
 #endif
 
 #include <ctype.h>