diff --git a/stage1/zom_parser/src/expr.rs b/stage1/zom_parser/src/expr.rs
index aaa5263..0fa4602 100644
--- a/stage1/zom_parser/src/expr.rs
+++ b/stage1/zom_parser/src/expr.rs
@@ -286,7 +286,7 @@ pub fn parse_call_expr(parser: &mut Parser, lhs: &Expression) -> ParsingResult<E
 
     let mut args = Vec::new();
     loop {
-        expect_token!(parser => [T::Comma, (); T::CloseParen, break], Comma, parsed_tokens);
+        expect_token!(parser => [T::Comma, if args.is_empty() { continue };T::CloseParen, break] else {}, parsed_tokens);
         args.push(parse_try!(parser => Expression, parsed_tokens));
     }