diff --git a/midas/parser/midas.py b/midas/parser/midas.py
index 8696b61..39781dd 100644
--- a/midas/parser/midas.py
+++ b/midas/parser/midas.py
@@ -377,7 +377,7 @@ class MidasParser(Parser):
         pos_args: list[Expr] = []
         kw_args: dict[str, Expr] = {}
         keywords: bool = False
-        while not self.match(TokenType.RIGHT_PAREN):
+        while not self.check(TokenType.RIGHT_PAREN):
             if self.check_identifier() and self.check_next(TokenType.EQUAL):
                 keywords = True
                 keyword: Token = self.advance()