diff --git a/init.el b/init.el
index 6ae4c44..afaf6c5 100644
--- a/init.el
+++ b/init.el
@@ -841,7 +841,7 @@ given, the duplicated region will be commented out."
 (eval-after-load "auto-complete"
   '(add-to-list 'ac-modes 'geiser-repl-mode))
 (eval-after-load "geiser"
-  '(add-to-list 'geiser-active-implementations 'plt-r5rs)) ;'(racket))
+  '(setq geiser-active-implementations '(racket)))
 
 ;; Java and C
 
diff --git a/init.org b/init.org
index 878e410..0e7f755 100644
--- a/init.org
+++ b/init.org
@@ -1055,7 +1055,7 @@
      (eval-after-load "auto-complete"
        '(add-to-list 'ac-modes 'geiser-repl-mode))
      (eval-after-load "geiser"
-       '(add-to-list 'geiser-active-implementations 'plt-r5rs)) ;'(racket))
+       '(setq geiser-active-implementations '(racket)))
    #+END_SRC
 
 ** Java and C