diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index 235ed381c4..7d814a63b4 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -1894,12 +1894,15 @@ vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, int scrub_done)
 
 		/*
 		 * If the vdev was resilvering and no longer has any
-		 * DTLs then reset its resilvering flag.
+		 * DTLs then reset its resilvering flag and dirty
+		 * the top level so that we persist the change.
 		 */
 		if (vd->vdev_resilver_txg != 0 &&
 		    range_tree_space(vd->vdev_dtl[DTL_MISSING]) == 0 &&
-		    range_tree_space(vd->vdev_dtl[DTL_OUTAGE]) == 0)
+		    range_tree_space(vd->vdev_dtl[DTL_OUTAGE]) == 0) {
 			vd->vdev_resilver_txg = 0;
+			vdev_config_dirty(vd->vdev_top);
+		}
 
 		mutex_exit(&vd->vdev_dtl_lock);