diff --git a/tests/07autodetect b/tests/07autodetect
index 156cced..917e0d6 100644
--- a/tests/07autodetect
+++ b/tests/07autodetect
@@ -14,12 +14,14 @@ fi
 
 mdadm -CR -e 0 $mdp0 -l0 -f -n1 $dev0
 mdadm -CR -e 0 $mdp1 -l0 -f -n1 $dev1
+udevadm settle
 sfdisk $mdp0 >&2 << END
 ,,FD
 END
 sfdisk $mdp1 >&2 << END
 ,,FD
 END
+udevadm settle
 mdadm -CR -e 0 $md0 -l1 -n2 ${mdp0}p1 ${mdp1}p1
 check resync
 check raid1