diff --git a/microcontrollers/main.ino b/microcontrollers/main.ino
index e6fe9f2..cd2c6f7 100644
--- a/microcontrollers/main.ino
+++ b/microcontrollers/main.ino
@@ -184,7 +184,7 @@ void fail_flash() {
 	write_led(led_yellow, LOW);
 
 	for(;;) {
-    bool state = get_millis() & 256;
+    bool state = get_millis() & 1024;
 #ifdef LED_BUILTIN
 		digitalWrite(LED_BUILTIN, state);
 #endif
@@ -369,7 +369,7 @@ void loopw(void *)
 
 #ifdef LED_BUILTIN
     if (s)
-      digitalWrite(LED_BUILTIN, cu_count >= 20 && s->is_active());
+      digitalWrite(LED_BUILTIN, ((cu_count / 10) & 1) && s->is_active());
 #endif
 
 		ntp.update();
diff --git a/server.cpp b/server.cpp
index 81a39ed..31d383e 100644
--- a/server.cpp
+++ b/server.cpp
@@ -535,7 +535,7 @@ bool server::is_active()
 	bool active = false;
 	std::unique_lock<std::mutex> lck(threads_lock);
 	for(auto &e: threads)
-		active |= !e.second;
+		active |= !*e.second;
 #endif
 	return active;
 }