diff --git a/vimrc b/vimrc
index fc33bac..15e2c4f 100644
--- a/vimrc
+++ b/vimrc
@@ -13,7 +13,7 @@ let $MYVIMRC="$XDG_CONFIG_HOME/vim/vimrc"
 set tags=$XDG_CACHE_HOME/vim/tags
 
 " Keep history
-set undodir=$XDG_:CACHE_HOME/vim/undo
+set undodir=$XDG_CACHE_HOME/vim/undo
 set undofile