diff --git a/test/units/TEST-74-AUX-UTILS.mount.sh b/test/units/TEST-74-AUX-UTILS.mount.sh
index 57b06bb005..933191e5ad 100755
--- a/test/units/TEST-74-AUX-UTILS.mount.sh
+++ b/test/units/TEST-74-AUX-UTILS.mount.sh
@@ -35,6 +35,9 @@ dd if=/dev/zero of="$WORK_DIR/simple.img" bs=1M count=16
 mkfs.ext4 -L sd-mount-test "$WORK_DIR/simple.img"
 LOOP="$(losetup --show --find "$WORK_DIR/simple.img")"
 udevadm wait --timeout 60 --settle "$LOOP"
+# Also wait for the .device unit for the loop device is active. Otherwise, the .device unit activation
+# that is triggered by the .mount unit introduced by systemd-mount below may time out.
+timeout 60 bash -c "until systemctl is-active $LOOP; do sleep 1; done"
 mkdir "$WORK_DIR/mnt"
 mount "$LOOP" "$WORK_DIR/mnt"
 touch "$WORK_DIR/mnt/foo.bar"
@@ -134,6 +137,9 @@ dd if=/dev/zero of="$WORK_DIR/owner-vfat.img" bs=1M count=16
 mkfs.vfat -n owner-vfat "$WORK_DIR/owner-vfat.img"
 LOOP="$(losetup --show --find "$WORK_DIR/owner-vfat.img")"
 udevadm wait --timeout 60 --settle "$LOOP"
+# Also wait for the .device unit for the loop device is active. Otherwise, the .device unit activation
+# that is triggered by the .mount unit introduced by systemd-mount below may time out.
+timeout 60 bash -c "until systemctl is-active $LOOP; do sleep 1; done"
 # Mount it and check the UID/GID
 [[ "$(stat -c "%U:%G" "$WORK_DIR/mnt")" == "root:root" ]]
 systemd-mount --owner=testuser "$LOOP" "$WORK_DIR/mnt"