diff --git a/benchmark.cpp b/benchmark.cpp
index 30e508c..ad1f994 100644
--- a/benchmark.cpp
+++ b/benchmark.cpp
@@ -18,7 +18,16 @@ static void BM_area_computation(benchmark::State& state) {
 }
 
 // add benchmark
-BENCHMARK(BM_area_computation)->ArgsProduct({benchmark::CreateRange(1<<4,1<<24,4),{1<<20}})->Threads(8)->Complexity(benchmark::oNLogN);
+BENCHMARK(BM_area_computation)->ArgsProduct({benchmark::CreateRange(1<<4,1<<18,4),{1<<20}})->Complexity(benchmark::oNLogN);
 
 // run benchmark as main()
-BENCHMARK_MAIN();
+int main(int argc, char **argv) {
+    srand(876);
+    ::benchmark::Initialize(&argc, argv);
+    if (::benchmark::ReportUnrecognizedArguments(argc, argv))return 1;
+    ::benchmark::RunSpecifiedBenchmarks();
+    ::benchmark::Shutdown();
+    return 0;
+}
+
+int main(int, char **);