diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 47ab8da988..8f87c345ea 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -2523,6 +2523,7 @@ static int mpeg4_update_thread_context(AVCodecContext *dst,
 
     s->shape               = s1->shape;
     s->time_increment_bits = s1->time_increment_bits;
+    s->vol_sprite_usage    = s1->vol_sprite_usage;
 
     return 0;
 }