diff --git a/mm/damon/core.c b/mm/damon/core.c
index 6262d55904e7..ce1562783e7e 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1225,6 +1225,7 @@ static void damon_split_region_at(struct damon_target *t,
 	new->age = r->age;
 	new->last_nr_accesses = r->last_nr_accesses;
 	new->nr_accesses_bp = r->nr_accesses_bp;
+	new->nr_accesses = r->nr_accesses;
 
 	damon_insert_region(new, r, damon_next_region(r), t);
 }