diff --git a/gtk/gtkoffscreenwindow.c b/gtk/gtkoffscreenwindow.c
index 2ff6a54368..69356fd151 100644
--- a/gtk/gtkoffscreenwindow.c
+++ b/gtk/gtkoffscreenwindow.c
@@ -22,7 +22,7 @@
 
 #include "gtkoffscreenwindow.h"
 
-#include "gtksizerequest.h"
+#include "gtkprivate.h"
 
 /**
  * SECTION:gtkoffscreenwindow