diff --git a/.editorconfig b/.editorconfig
index d769b46a4..fe115d4c0 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,6 +7,7 @@ charset = utf-8
 end_of_line = LF
 insert_final_newline = true
 trim_trailing_whitespace = true
+indent_size = 4
 
 [*.{php,html,twig}]
 indent_style = space