diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index fb14a208febe..5d8af8aa472e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3930,7 +3930,7 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl,
 	int ret = -ENOMEM;
 
 #ifdef CONFIG_NVME_MULTIPATH
-	size += num_possible_nodes() * sizeof(struct nvme_ns *);
+	size += nr_node_ids * sizeof(struct nvme_ns *);
 #endif
 
 	head = kzalloc(size, GFP_KERNEL);