diff --git a/module/zfs/vdev_label.c b/module/zfs/vdev_label.c
index 59bce13709..1925c67edd 100644
--- a/module/zfs/vdev_label.c
+++ b/module/zfs/vdev_label.c
@@ -346,6 +346,7 @@ vdev_config_generate_stats(vdev_t *vd, nvlist_t *nv)
 	/* Add extended stats nvlist to main nvlist */
 	fnvlist_add_nvlist(nv, ZPOOL_CONFIG_VDEV_STATS_EX, nvx);
 
+	fnvlist_free(nvx);
 	kmem_free(vsx, sizeof (*vsx));
 }