diff --git a/include/linux/fb.h b/include/linux/fb.h
index 405f44e..4ad0673 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -524,7 +524,7 @@
 
 extern int fb_register_client(struct notifier_block *nb);
 extern int fb_unregister_client(struct notifier_block *nb);
-
+extern int fb_notifier_call_chain(unsigned long val, void *v);
 /*
  * Pixmap structure definition
  *