diff --git a/grammar.js b/grammar.js
index 939f9d4..ae1f529 100644
--- a/grammar.js
+++ b/grammar.js
@@ -22,6 +22,7 @@ module.exports = grammar({
       $.identifier,
       repeat($.space),
       '(',
+      repeat($.seperation),
       optional($.arguments),
       ')'
     ),