diff --git a/.editorconfig b/.editorconfig
index 9c76c25870..1f38876997 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,6 +1,7 @@
 root = true
 
 [*]
+guidelines = dashed 78
 indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true