diff --git a/gtk/gtktextchild.h b/gtk/gtktextchild.h
index a60bec4397..6c5096c45d 100644
--- a/gtk/gtktextchild.h
+++ b/gtk/gtktextchild.h
@@ -31,6 +31,7 @@
 #ifndef __GTK_TEXT_CHILD_H__
 #define __GTK_TEXT_CHILD_H__
 
+#include <gdk/gdkconfig.h>
 #include <glib-object.h>
 
 G_BEGIN_DECLS