diff --git a/vimrc b/vimrc
index 1820536..4327b53 100644
--- a/vimrc
+++ b/vimrc
@@ -19,6 +19,9 @@ set ignorecase hlsearch
 " enable syntax highlighting
 syntax on
 
+" lines with equal indent form a fold
+set foldmethod=indent
+
 " show tabs and trailing spaces
 set list listchars=tab:>-,trail:-