diff --git a/indent/elm.vim b/indent/elm.vim
index 8e346ee..d53bef7 100644
--- a/indent/elm.vim
+++ b/indent/elm.vim
@@ -8,6 +8,7 @@ let b:did_indent = 1
 
 " Local defaults
 setlocal expandtab
+setlocal shiftwidth=2 tabstop=2
 setlocal indentexpr=GetElmIndent()
 setlocal indentkeys+=0=else,0=if,0=of,0=import,0=then,0=type,0\|,0},0\],0),=-},0=in
 setlocal nolisp