diff --git a/seed_file_management.cpp b/seed_file_management.cpp
index 035e6d7..ea7d03e 100644
--- a/seed_file_management.cpp
+++ b/seed_file_management.cpp
@@ -14,11 +14,11 @@
 #include <cstdint>
 #include <fstream>
 #include <memory>
+#include <mutex>
 #include <stdexcept>
 #include <utility>
 
 namespace fortuna {
-constinit bool SeedFileManager::RUNNING{false};
 
 SeedFileManager::SeedFileManager(
 	const fortuna::accumulator::Accumulator& da_accumulator) noexcept {
@@ -29,19 +29,27 @@ SeedFileManager::~SeedFileManager() noexcept {
 }
 
 auto SeedFileManager::is_job_running() -> bool {
-	return RUNNING;
+	std::lock_guard<std::recursive_mutex> lg(mtx);
+
+	return this->IS_RUNNING;
 }
 
 auto SeedFileManager::set_job_running(bool running) -> void {
-	SeedFileManager::RUNNING = running;
+	std::lock_guard<std::recursive_mutex> lg(mtx);
+
+	this->IS_RUNNING = running;
 }
 
 auto SeedFileManager::do_stuff() -> void {
+	std::unique_lock<std::recursive_mutex> ul(mtx);
+
 	update_seed_file();
 	do_task.thread_pls(config.write_interval, [this] { write_seed_file(); });
 }
 
 auto SeedFileManager::seed_file_exists() const -> bool {
+	std::lock_guard<std::recursive_mutex> lg(mtx);
+
 	// based on https://stackoverflow.com/a/6296808
 	struct stat buf;
 	if (stat(config.seed_f_path.c_str(), &buf) != -1) {
@@ -51,7 +59,9 @@ auto SeedFileManager::seed_file_exists() const -> bool {
 }
 
 auto SeedFileManager::update_seed_file() -> void {
-	fortuna::SeedFileManager::RUNNING = true;
+	std::lock_guard<std::recursive_mutex> lg(mtx);
+
+	fortuna::SeedFileManager::IS_RUNNING = true;
 	CryptoPP::SecByteBlock buff{config.seed_f_length};
 
 	try {
@@ -72,7 +82,7 @@ auto SeedFileManager::update_seed_file() -> void {
 				const std::string msg{"\t[!] sfm: error opening seed file!\n"};
 				fmt::print("{} {}\n", msg, config.seed_f_path);
 
-				fortuna::SeedFileManager::RUNNING = false;
+				fortuna::SeedFileManager::IS_RUNNING = false;
 				throw std::runtime_error(msg);
 			}
 
@@ -89,7 +99,7 @@ auto SeedFileManager::update_seed_file() -> void {
 						   f_stream.gcount(),
 						   config.seed_f_length);
 
-				fortuna::SeedFileManager::RUNNING = false;
+				fortuna::SeedFileManager::IS_RUNNING = false;
 				throw std::runtime_error(msg);
 			}
 		}
@@ -103,13 +113,15 @@ auto SeedFileManager::update_seed_file() -> void {
 	}
 	catch (std::exception& e) {
 		fmt::print("{}\n", e.what());
-		fortuna::SeedFileManager::RUNNING = false;
+		fortuna::SeedFileManager::IS_RUNNING = false;
 		throw;
 	}
 }
 
 auto SeedFileManager::write_seed_file() -> void {
-	fortuna::SeedFileManager::RUNNING = true;
+	std::lock_guard<std::recursive_mutex> lg(mtx);
+
+	fortuna::SeedFileManager::IS_RUNNING = true;
 	CryptoPP::SecByteBlock buff{config.seed_f_length};
 	const std::string da_buff{accumulator.get_random_data(
 		static_cast<unsigned int>(config.seed_f_length))};
@@ -138,7 +150,7 @@ auto SeedFileManager::write_seed_file() -> void {
 	catch (std::exception& e) {
 		fmt::print("[!] sfm: error writing to seed file!\n");
 		fmt::print("{}\n", e.what());
-		fortuna::SeedFileManager::RUNNING = false;
+		fortuna::SeedFileManager::IS_RUNNING = false;
 		throw;
 	}
 }
diff --git a/seed_file_management.h b/seed_file_management.h
index 9272443..690997b 100644
--- a/seed_file_management.h
+++ b/seed_file_management.h
@@ -4,7 +4,9 @@
 #include "accumulator.h"
 #include "do_task.h"
 
+#include <atomic>
 #include <chrono>
+#include <mutex>
 #include <string>
 
 namespace fortuna {
@@ -21,7 +23,7 @@ public:
 		conf(){};
 	};
 
-	static auto is_job_running() -> bool;
+	auto is_job_running() -> bool;
 	auto do_stuff() -> void;
 
 	explicit SeedFileManager(
@@ -29,11 +31,12 @@ public:
 	~SeedFileManager() noexcept;
 
 protected:
-	static auto set_job_running(bool) -> void;
+	auto set_job_running(bool) -> void;
 
 private:
 	const conf config;
-	static constinit bool RUNNING;
+	mutable std::recursive_mutex mtx;
+	std::atomic<bool> IS_RUNNING{false};
 	DoTask do_task;
 	fortuna::accumulator::Accumulator accumulator;