diff --git a/parser.go b/parser.go
index a6b71e8..328dbc5 100644
--- a/parser.go
+++ b/parser.go
@@ -139,6 +139,7 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
 		if tk.Sym == SymSemiColon {
 			if allowForest {
 				tree.ToForest()
+				firstToken = true
 				continue
 			} else {
 				err = tk.Errorf(`unexpected token %q, expected ",", "]", or ")"`, tk.source)