diff --git a/bench_test.go b/bench_test.go
index 354fc395..9377fa91 100644
--- a/bench_test.go
+++ b/bench_test.go
@@ -339,8 +339,9 @@ type benchmarkWriteTableCopyFromSrc struct {
 }
 
 func (s *benchmarkWriteTableCopyFromSrc) Next() bool {
+	next := s.idx < s.count
 	s.idx++
-	return s.idx < s.count
+	return next
 }
 
 func (s *benchmarkWriteTableCopyFromSrc) Values() ([]any, error) {