diff --git a/sbcl-nginx.yml b/sbcl-nginx.yml
index 3dfb307..c9d1294 100644
--- a/sbcl-nginx.yml
+++ b/sbcl-nginx.yml
@@ -766,17 +766,19 @@ write_files:
         ;; shell$ sbcl
         ;; * (mapc 'require '(sb-bsd-sockets sb-posix sb-introspect sb-cltl2 asdf))
         ;; * (save-lisp-and-die "sbcl.core-for-slime")
-        (let ((image-path (expand-file-name "~/sbcl.core-for-slime")))
-          (setq slime-lisp-implementations
-                `((sbcl ("sbcl" "--core" ,image-path))))))
+        (when (eq system-type 'gnu/linux)
+          (let ((image-path (expand-file-name "~/sbcl.core-for-slime")))
+            (when (file-exists-p image-path)
+              (setq slime-lisp-implementations
+                    `((sbcl ("sbcl" "--noinform" "--core" ,image-path) :coding-system utf-8-unix))))))
 
       (use-package lisp-mode
         :ensure nil
         :hook ((lisp-mode . prettify-symbols-mode)
                (lisp-mode . (lambda ()
                               (set-face-attribute 'font-lock-function-name-face nil :underline t)
-                              (set-face-attribute 'font-lock-keyword-face nil :slant 'italic)
-                              (setq-local lisp-indent-function 'common-lisp-indent-function))))
+                              (face-remap-add-relative 'font-lock-function-name-face nil :underline t)
+                              (face-remap-add-relative 'font-lock-keyword-face nil :slant 'italic))))
         :mode (("\\.lisp$" . lisp-mode)
                ("\\.lsp$" . lisp-mode)
                ("\\.cl$" . lisp-mode))