diff --git a/fortuna.cpp b/fortuna.cpp
index 6f301a2..a1d53a4 100644
--- a/fortuna.cpp
+++ b/fortuna.cpp
@@ -189,9 +189,12 @@ auto Fortuna::seed_file_manager_service() -> void {
 	p_ul.unlock();
 	auto right_now{fortuna::Util::current_time()};
 	std::unique_lock<std::mutex> mtx_l(mtx);
-	std::unique_lock<std::mutex> a_ul(accu_mtx);
+	std::unique_lock<std::mutex> a_ul(mtx_accu);
+
 	assert(this->accumulator._p_pools_equal(this->R._p_pools));
+
 	SeedFileManager sfm(this->accumulator);
+
 	a_ul.unlock();
 	mtx_l.unlock();
 
diff --git a/fortuna.h b/fortuna.h
index 78fea7b..1a50764 100644
--- a/fortuna.h
+++ b/fortuna.h
@@ -21,7 +21,8 @@ public:
 	static constexpr const char NUM_OF_POOLS{32};
 	std::mutex mtx;
 	std::mutex mtx_random_data;
-	std::mutex accu_mtx;
+	std::mutex mtx_p_pools;
+	std::mutex mtx_accu;
 	std::mutex print_mtx;
 	std::thread th_gen;
 	std::thread th_accu;
@@ -53,8 +54,10 @@ public:
 		// p. 153
 		set_reseed_ctr_to_null();
 		std::unique_lock<std::mutex> p_ul(print_mtx);
-		std::unique_lock<std::mutex> a_ul(accu_mtx);
+		std::unique_lock<std::mutex> a_ul(mtx_accu, std::defer_lock);
+		std::unique_lock<std::mutex> pp_ul(mtx_p_pools, std::defer_lock);
 		try {
+			std::lock(a_ul, pp_ul);
 			R.initialize_pools();
 			fmt::print("[i] fortuna: pools initialized\n");
 			p_ul.unlock();