diff --git a/.editorconfig b/.editorconfig
index eadd72e4993..ef8ed24c52a 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -9,6 +9,8 @@ end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[!src/llvm-project]
 indent_style = space
 indent_size = 4