diff --git a/tests/scripts/actionutils.sh b/tests/scripts/actionutils.sh
index 12d503f8..e03741d7 100755
--- a/tests/scripts/actionutils.sh
+++ b/tests/scripts/actionutils.sh
@@ -61,7 +61,7 @@ function add_encrypted_osds() {
       sudo mknod -m 0660 "/dev/sdi${l}"  b 7 "${data_minor}"
       sudo mknod -m 0660 "/dev/sdi${l}x" b 7 "${wal_minor}"
       sudo mknod -m 0660 "/dev/sdi${l}y" b 7 "${db_minor}"
-      sudo microceph disk add --wipe "/dev/sdi${l}" --encrypt --wal-device "/dev/sdi${l}x" --wal-encrypt --wal-wipe --db-device "/dev/sdi${l}y" --db-wipe --db-encrypt
+      sudo microceph disk add "/dev/sdi${l}" --wipe --encrypt --wal-device "/dev/sdi${l}x" --wal-wipe --wal-encrypt --db-device "/dev/sdi${l}y" --db-wipe --db-encrypt
     done
 
     # Wait for OSDs to become up