diff --git a/MagickCore/xwindow.c b/MagickCore/xwindow.c
index 47831dd..eacd877 100644
--- a/MagickCore/xwindow.c
+++ b/MagickCore/xwindow.c
@@ -77,6 +77,7 @@
 #include "MagickCore/string_.h"
 #include "MagickCore/string-private.h"
 #include "MagickCore/transform.h"
+#include "MagickCore/token.h"
 #include "MagickCore/utility.h"
 #include "MagickCore/utility-private.h"
 #include "MagickCore/widget.h"