diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index fa8cb4b7b8fe..0a648bb455ae 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1587,7 +1587,8 @@ static int fuse_notify_store(struct fuse_conn *fc, unsigned int size,
 
 		this_num = min_t(unsigned, num, PAGE_CACHE_SIZE - offset);
 		err = fuse_copy_page(cs, &page, offset, this_num, 0);
-		if (!err && offset == 0 && (num != 0 || file_size == end))
+		if (!err && offset == 0 &&
+		    (this_num == PAGE_CACHE_SIZE || file_size == end))
 			SetPageUptodate(page);
 		unlock_page(page);
 		page_cache_release(page);