diff --git a/libarmbox/playback_libeplayer3.cpp b/libarmbox/playback_libeplayer3.cpp
index efd5d96..190b9c3 100644
--- a/libarmbox/playback_libeplayer3.cpp
+++ b/libarmbox/playback_libeplayer3.cpp
@@ -24,6 +24,7 @@ static Context_t *player = NULL;
 
 extern cAudio *audioDecoder;
 extern cVideo *videoDecoder;
+OpenThreads::Mutex cPlayback::mutex;
 
 //Used by Fileplay
 bool cPlayback::Open(playmode_t PlayMode)
@@ -50,9 +51,13 @@ bool cPlayback::Open(playmode_t PlayMode)
 	nPlaybackSpeed = 0;
 	init_jump = -1;
 
+	mutex.lock();
 	if (player)
+	{
 		free(player);
-	player = NULL;
+		player = NULL;
+	}
+	mutex.unlock();
 
 	player = (Context_t *) malloc(sizeof(Context_t));
 
@@ -82,8 +87,10 @@ void cPlayback::Close(void)
 	hal_info("%s\n", __func__);
 
 	//Dagobert: movieplayer does not call stop, it calls close ;)
+	mutex.lock();
 	if(playing)
 		Stop();
+	mutex.unlock();
 
 	if (decoders_closed)
 	{
@@ -765,27 +772,37 @@ cPlayback::~cPlayback()
 {
 	hal_info("%s\n", __func__);
 
+	mutex.lock();
 	if (player)
+	{
 		free(player);
-	player = NULL;
+		player = NULL;
+	}
+	mutex.unlock();
 }
 
 void cPlayback::RequestAbort()
 {
-	if (player && player->playback && player->playback->isPlaying)
+	if (player && player->playback)
 	{
 		hal_info("%s\n", __func__);
-		Stop();
-		//player->playback->abortRequested = 1;//why ?
+		mutex.lock();
+
+		if (player && player->playback && player->playback->isPlaying)
+		{
+			Stop();
+			player->playback->abortRequested = 1;
+		}
+		else if(player->playback->isHttp && !player->playback->isPlaying &&!player->playback->abortRequested)
+		{
+				player->playback->abortRequested = 1;
+		}
+
+		mutex.unlock();
+
 		while (player->playback->isPlaying)
 			usleep(100000);
 	}
-	else if(player->playback->isHttp && !player->playback->isPlaying &&!player->playback->abortRequested)
-	{
-		hal_info("%s\n", __func__);
-		player->playback->abortRequested = 1;
-	}
-
 }
 
 bool cPlayback::IsPlaying()
diff --git a/libarmbox/playback_libeplayer3.h b/libarmbox/playback_libeplayer3.h
index 3d5cb2e..8297a15 100644
--- a/libarmbox/playback_libeplayer3.h
+++ b/libarmbox/playback_libeplayer3.h
@@ -3,6 +3,7 @@
 
 #include <string>
 #include <vector>
+#include <OpenThreads/Mutex>
 
 typedef enum
 {
@@ -17,6 +18,7 @@ class cPlayback
 	friend class CStreamInfo2;
 
 	private:
+		static OpenThreads::Mutex mutex;
 		bool enabled;
 		bool playing, first;
 		bool no_probe;