diff --git a/.emacs.d/lisp/init-sly.el b/.emacs.d/lisp/init-sly.el
index e713d045..46087d28 100644
--- a/.emacs.d/lisp/init-sly.el
+++ b/.emacs.d/lisp/init-sly.el
@@ -46,7 +46,9 @@ If REFRESH is non-nil, rebuild the environment."
 (setq sly-lisp-implementations
       (let ((maybe-core-dumper (when-let ((exec (executable-find "lisp-repl-core-dumper")))
                                  (list exec))))
-        `((sbcl-ambrevar ("lisp-repl-core-dumper" "-p" "ambrevar" "sbcl" "--eval" "(in-package :ambrevar/shell)"))
+        `((sbcl-ambrevar ("lisp-repl-core-dumper" "-p" "ambrevar" "sbcl"
+                          "--eval" "(in-package :ambrevar/shell)"
+                          "--eval" "(named-readtables:in-readtable clesh:syntax)"))
           (sbcl (,@maybe-core-dumper "sbcl"))
           (sbcl-nyxt (lambda () (ambrevar/sbcl-for-nyxt)))
           (sbcl-nyxt-refresh (lambda () (ambrevar/sbcl-for-nyxt :refresh)))