diff --git a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh
index 8cf8e6d4055b..066be917e436 100755
--- a/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh
+++ b/tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh
@@ -41,6 +41,7 @@ orig_top=$(get_top_vd_zap $DISK $conf)
 orig_leaf=$(get_leaf_vd_zap $DISK $conf)
 assert_zap_common $TESTPOOL $DISK "top" $orig_top
 assert_zap_common $TESTPOOL $DISK "leaf" $orig_leaf
+log_must zpool sync
 
 # Export the pool.
 log_must zpool export $TESTPOOL