diff --git a/examples/nvme/perf/perf.c b/examples/nvme/perf/perf.c
index 0894df133..698618a5f 100644
--- a/examples/nvme/perf/perf.c
+++ b/examples/nvme/perf/perf.c
@@ -1265,7 +1265,7 @@ register_ns(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns)
 	entry->fn_table = &nvme_fn_table;
 	entry->u.nvme.ctrlr = ctrlr;
 	entry->u.nvme.ns = ns;
-	entry->num_io_requests = g_queue_depth * entries;
+	entry->num_io_requests = entries * spdk_divide_round_up(g_queue_depth, g_nr_io_queues_per_ns);
 
 	entry->size_in_ios = ns_size / g_io_size_bytes;
 	entry->io_size_blocks = g_io_size_bytes / sector_size;