diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index 3670a1103863..f999e18e4561 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -619,10 +619,9 @@ static struct configfs_attribute *nvmet_ns_attrs[] = {
 bool nvmet_subsys_nsid_exists(struct nvmet_subsys *subsys, u32 nsid)
 {
 	struct config_item *ns_item;
-	char name[4] = {};
+	char name[12];
 
-	if (sprintf(name, "%u", nsid) <= 0)
-		return false;
+	snprintf(name, sizeof(name), "%u", nsid);
 	mutex_lock(&subsys->namespaces_group.cg_subsys->su_mutex);
 	ns_item = config_group_find_item(&subsys->namespaces_group, name);
 	mutex_unlock(&subsys->namespaces_group.cg_subsys->su_mutex);