diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index b13bf7c6eade..ff4fcca94966 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -178,6 +178,10 @@ static void damon_pa_apply_probes(struct damon_ctx *ctx, bool set_samples)
 			phys_addr_t pa;
 			struct folio *folio;
 
+			if (set_samples)
+				r->sampling_addr = damon_rand(ctx, r->ar.start,
+						r->ar.end);
+
 			pa = damon_pa_phys_addr(r->sampling_addr,
 					ctx->addr_unit);
 			folio = damon_get_folio(PHYS_PFN(pa));