diff --git a/src/powersaver.cpp b/src/powersaver.cpp
index 4d61c80..e3a4f22 100644
--- a/src/powersaver.cpp
+++ b/src/powersaver.cpp
@@ -21,6 +21,10 @@ PowerSaver* PowerSaver::getInstance() {
     return instance;
 }
 
+bool PowerSaver::isRunning() {
+	return instance != NULL;
+}
+
 PowerSaver::PowerSaver( ) {
 	SDL_InitSubSystem(SDL_INIT_TIMER);
     setScreenTimeout(0);
@@ -30,6 +34,7 @@ PowerSaver::PowerSaver( ) {
 PowerSaver::~PowerSaver() {
 	SDL_RemoveTimer(screenTimer);
 	SDL_QuitSubSystem(SDL_INIT_TIMER);
+	instance = NULL;
 }
 
 void PowerSaver::setScreenTimeout( unsigned int seconds ) {
diff --git a/src/powersaver.h b/src/powersaver.h
index e464853..2683c72 100644
--- a/src/powersaver.h
+++ b/src/powersaver.h
@@ -5,6 +5,7 @@ class PowerSaver {
 
     public:
         static PowerSaver* getInstance();
+		static bool isRunning();
         ~PowerSaver();
         void addScreenTimer();
         void resetScreenTimer();