diff --git a/tests/mkfs-tests/020-basic-checksums-mount/test.sh b/tests/mkfs-tests/020-basic-checksums-mount/test.sh
index ed3e90b5..eaac25dd 100755
--- a/tests/mkfs-tests/020-basic-checksums-mount/test.sh
+++ b/tests/mkfs-tests/020-basic-checksums-mount/test.sh
@@ -19,11 +19,11 @@ test_mkfs_mount_checksum()
 	run_check $SUDO_HELPER "$TOP/btrfs" inspect-internal dump-super "$TEST_DEV"
 	run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
 
-	run_check $SUDO_HELPER mount "$dev1" "$TEST_MNT"
+	run_check_mount_test_dev
 	run_check "$TOP/btrfs" filesystem df "$TEST_MNT"
 	run_check $SUDO_HELPER "$TOP/btrfs" filesystem usage "$TEST_MNT"
 	run_check $SUDO_HELPER "$TOP/btrfs" device usage "$TEST_MNT"
-	run_check $SUDO_HELPER umount "$TEST_MNT"
+	run_check_umount_test_dev
 }
 
 if ! [ -f "/sys/fs/btrfs/features/supported_checksums" ]; then