diff --git a/lsp-docker.el b/lsp-docker.el
index a687786..ac6e6e5 100644
--- a/lsp-docker.el
+++ b/lsp-docker.el
@@ -251,18 +251,14 @@ the docker container to run the language server."
   "Default lsp-docker containerized servers priority (it needs to be bigger than default servers in order to override them)")
 
 (defcustom lsp-docker-persistent-default-config
-  (-doto (ht)
-    (ht-set! 'server
-             (-doto (ht)
-               (ht-set! 'type "docker")
-               (ht-set! 'subtype "image")
-               (ht-set! 'name "emacslsp/lsp-docker-langservers")
-               (ht-set! 'server nil)
-               (ht-set! 'launch_command nil)))
-    (ht-set! 'mappings
-             (vector (-doto (ht)
-                       (ht-set! 'source ".")
-                       (ht-set! 'destination "/projects")))))
+  (ht ('server (ht ('type "docker")
+                  ('subtype "image")
+                  ('name "emacslsp/lsp-docker-langservers")
+                  ('server nil)
+                  ('launch_command nil)))
+      ('mappings (vector
+                  (ht ('source ".")
+                    ('destination "/projects")))))
   "Default configuration for all language servers with persistent configurations"
   :type 'hash-table
   :group 'lsp-docker)