diff --git a/.editorconfig b/.editorconfig
index ee31794e8..378d2bc3a 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -9,6 +9,7 @@ insert_final_newline = true
 trim_trailing_whitespace = true
 
 [*.{hpp,inl,cpp,lua}]
+indent_size = 4
 indent_style = tab
 
 [*.html]