diff --git a/kernel/watch_queue.c b/kernel/watch_queue.c
index d5da825..258fa4c 100644
--- a/kernel/watch_queue.c
+++ b/kernel/watch_queue.c
@@ -244,6 +244,7 @@ long watch_queue_set_size(struct pipe_inode_info *pipe, unsigned int nr_notes)
 		goto error;
 	}
 
+	nr_notes = nr_pages * WATCH_QUEUE_NOTES_PER_PAGE;
 	ret = pipe_resize_ring(pipe, roundup_pow_of_two(nr_notes));
 	if (ret < 0)
 		goto error;
@@ -269,7 +270,7 @@ long watch_queue_set_size(struct pipe_inode_info *pipe, unsigned int nr_notes)
 	wqueue->notes = pages;
 	wqueue->notes_bitmap = bitmap;
 	wqueue->nr_pages = nr_pages;
-	wqueue->nr_notes = nr_pages * WATCH_QUEUE_NOTES_PER_PAGE;
+	wqueue->nr_notes = nr_notes;
 	return 0;
 
 error_p: