diff --git a/task1/main.cpp b/task1/main.cpp
index de8630f..098935e 100644
--- a/task1/main.cpp
+++ b/task1/main.cpp
@@ -65,7 +65,7 @@ auto main(int argc, char *argv[]) -> int {
 
 
         const int threads = std::thread::hardware_concurrency();
-        const int max_depth = std::log(threads);
+        const int max_depth = std::sqrt(threads);
 
         t1 = std::chrono::high_resolution_clock::now();
         MergeSorterMT<int32_t> msmt([](int32_t a, int32_t b) {