diff --git a/parallel-checkout.c b/parallel-checkout.c
index 31a3d0ee1bf851..af8027cbb6d60b 100644
--- a/parallel-checkout.c
+++ b/parallel-checkout.c
@@ -633,6 +633,7 @@ static void write_items_sequentially(struct checkout *state)
 {
 	size_t i;
 
+	flush_fscache();
 	for (i = 0; i < parallel_checkout.nr; i++) {
 		struct parallel_checkout_item *pc_item = &parallel_checkout.items[i];
 		write_pc_item(pc_item, state);