diff --git a/.editorconfig b/.editorconfig
index a586af40e2..0c98d7638d 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -23,3 +23,7 @@ trim_trailing_whitespace = false
 [runtime/doc/**.txt]
 # It can mess up some documentation by trying to strip trailing whitespaces
 trim_trailing_whitespace = false
+
+[src/MacVim/**]
+indent_style = space
+indent_size = 4