diff --git a/.editorconfig b/.editorconfig
index 8e3084dd3..c70eea97a 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -4,7 +4,7 @@ root = true
 end_of_line = lf
 
 [*.lua]
-charset = utf8
+charset = utf-8
 indent_style = tab
 insert_final_newline = true
 trim_trailing_whitespace = true