diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 0306c8e..0793961 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -738,6 +738,7 @@
 		.sync_mode		= args->sync_mode,
 		.older_than_this	= NULL,
 		.for_kupdate		= args->for_kupdate,
+		.for_background		= args->for_background,
 		.range_cyclic		= args->range_cyclic,
 	};
 	unsigned long oldest_jif;