diff --git a/test/units/testsuite-70.cryptsetup.sh b/test/units/testsuite-70.cryptsetup.sh
index 4cd627fe1a9..0ecf34b6c86 100755
--- a/test/units/testsuite-70.cryptsetup.sh
+++ b/test/units/testsuite-70.cryptsetup.sh
@@ -212,6 +212,7 @@ Encrypt=tpm2
 EOF
     PASSWORD=passphrase systemd-repart --tpm2-device-key=/tmp/srk.pub --definitions=/tmp/dditest --empty=create --size=50M /tmp/dditest.raw --tpm2-pcrs=
     DEVICE="$(systemd-dissect --attach /tmp/dditest.raw)"
+    udevadm wait --settle --timeout=10 "$DEVICE"
     systemd-cryptsetup attach dditest "$DEVICE"p1 - tpm2-device=auto,headless=yes
     mkdir /tmp/dditest.mnt
     mount -t ext4 /dev/mapper/dditest /tmp/dditest.mnt