diff --git a/compiler/scanner.v b/compiler/scanner.v
index 5829f6ec8c..d89265a46f 100644
--- a/compiler/scanner.v
+++ b/compiler/scanner.v
@@ -722,6 +722,7 @@ fn (s &Scanner) expect(want string, start_pos int) bool {
 
 fn (s mut Scanner) debug_tokens() {
 	s.pos = 0
+	s.started = false
 	s.debug = true
 
 	fname := s.file_path.all_after(os.PathSeparator)