diff --git a/core/prelude-packages.el b/core/prelude-packages.el
index 0db3911..e34f8e7 100644
--- a/core/prelude-packages.el
+++ b/core/prelude-packages.el
@@ -94,6 +94,7 @@ PACKAGE is installed only if not already present.  The file is opened in MODE."
     ("\\.lua\\'" lua-mode lua-mode)
     ("\\.markdown\\'" markdown-mode markdown-mode)
     ("\\.md\\'" markdown-mode markdown-mode)
+    ("\\.ml\\'" tuareg tuareg-mode)
     ("\\.php\\'" php-mode php-mode)
     ("\\.sass\\'" sass-mode sass-mode)
     ("\\.scala\\'" scala-mode2 scala-mode)
diff --git a/modules/prelude-programming.el b/modules/prelude-programming.el
index 915f8a7..2e0638e 100644
--- a/modules/prelude-programming.el
+++ b/modules/prelude-programming.el
@@ -97,7 +97,7 @@
 
 ;; show the name of the current function definition in the modeline
 (require 'which-func)
-(setq which-func-modes t)
+(add-to-list 'which-func-modes 'ruby-mode)
 (which-function-mode 1)
 
 ;; in Emacs 24 programming major modes generally derive from a common