diff --git a/contrib/lang/ess/packages.el b/contrib/lang/ess/packages.el
index ed8e8ce01..4f459c5de 100644
--- a/contrib/lang/ess/packages.el
+++ b/contrib/lang/ess/packages.el
@@ -8,7 +8,7 @@
   "List of all packages to install and/or initialize. Built-in packages
 which require an initialization must be listed explicitly in the list.")
 
-(defun spacemacs/init-ess ()
+(defun ess/init-ess ()
   ;; ESS is not quick to load so we just load it when
   ;; we need it (see my-keybindings.el for the associated
   ;; keybinding)