1 files changed, 3 insertions, 0 deletions
diff --git a/vobsub.c b/vobsub.c
index a85d230951..3135952265 100644
--- a/vobsub.c
+++ b/vobsub.c
@@ -1274,6 +1274,9 @@ void vobsub_seek(void * vobhandle, float pts)
   int seek_pts100 = (int)pts * 90000;
 
   if (vob->spu_streams && 0 <= vobsub_id && (unsigned) vobsub_id < vob->spu_streams_size) {
+    /* do not seek if we don't know the id */
+    if (vobsub_get_id(vob, vobsub_id) == NULL)
+	    return;
     queue = vob->spu_streams + vobsub_id;
     queue->current_index = 0;
     while ((queue->packets + queue->current_index)->pts100 < seek_pts100)