diff --git a/libeplayer3/manager/audio.c b/libeplayer3/manager/audio.c
index 15f5205..c078953 100644
--- a/libeplayer3/manager/audio.c
+++ b/libeplayer3/manager/audio.c
@@ -83,6 +83,9 @@ static int ManagerAdd(Context_t  *context, Track_t track) {
 
     if (Tracks == NULL) {
         Tracks = malloc(sizeof(Track_t) * TRACKWRAP);
+	int i;
+	for (i = 0; i < TRACKWRAP; i++)
+		Tracks[i].Id = -1;
     }
 
     if (Tracks == NULL)
diff --git a/libeplayer3/manager/dvbsubtitle.c b/libeplayer3/manager/dvbsubtitle.c
index 5bdb88e..607d932 100644
--- a/libeplayer3/manager/dvbsubtitle.c
+++ b/libeplayer3/manager/dvbsubtitle.c
@@ -83,6 +83,9 @@ static int ManagerAdd(Context_t  *context, Track_t track) {
 
     if (Tracks == NULL) {
         Tracks = malloc(sizeof(Track_t) * TRACKWRAP);
+	int i;
+	for (i = 0; i < TRACKWRAP; i++)
+		Tracks[i].Id = -1;
     }
 
     if (Tracks == NULL)
diff --git a/libeplayer3/manager/subtitle.c b/libeplayer3/manager/subtitle.c
index 60d89a0..852b25c 100644
--- a/libeplayer3/manager/subtitle.c
+++ b/libeplayer3/manager/subtitle.c
@@ -82,6 +82,9 @@ static int ManagerAdd(Context_t  *context, Track_t track) {
 
     if (Tracks == NULL) {
         Tracks = malloc(sizeof(Track_t) * TRACKWRAP);
+	int i;
+	for (i = 0; i < TRACKWRAP; i++)
+		Tracks[i].Id = -1;
     }
 
     if (Tracks == NULL)
diff --git a/libeplayer3/manager/teletext.c b/libeplayer3/manager/teletext.c
index 21df28b..acebb77 100644
--- a/libeplayer3/manager/teletext.c
+++ b/libeplayer3/manager/teletext.c
@@ -83,6 +83,9 @@ static int ManagerAdd(Context_t  *context, Track_t track) {
 
     if (Tracks == NULL) {
         Tracks = malloc(sizeof(Track_t) * TRACKWRAP);
+	int i;
+	for (i = 0; i < TRACKWRAP; i++)
+		Tracks[i].Id = -1;
     }
 
     if (Tracks == NULL)
diff --git a/libeplayer3/manager/video.c b/libeplayer3/manager/video.c
index fdd68d0..8808211 100644
--- a/libeplayer3/manager/video.c
+++ b/libeplayer3/manager/video.c
@@ -81,6 +81,9 @@ static int ManagerAdd(Context_t  *context, Track_t track) {
 
     if (Tracks == NULL) {
         Tracks = malloc(sizeof(Track_t) * TRACKWRAP);
+	int i;
+	for (i = 0; i < TRACKWRAP; i++)
+		Tracks[i].Id = -1;
     }
 
     if (Tracks == NULL)