diff --git a/res/devtools/syntax/lua.toml b/res/devtools/syntax/lua.toml
index cbccce75..d2469d2f 100644
--- a/res/devtools/syntax/lua.toml
+++ b/res/devtools/syntax/lua.toml
@@ -8,5 +8,5 @@ multiline-string-end = "]]"
 keywords = [
     "and", "break", "do", "else", "elseif", "end", "false", "for", "function", 
     "if", "in", "local", "nil", "not", "or", "repeat", "return", "then", "true",
-    "until", "while"
+    "until", "while", "self", "error"
 ]