diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 3d20f7c389..9cfb3cde2d 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -3923,6 +3923,7 @@ static int mpeg4_update_thread_context(AVCodecContext *dst,
     s->cplx_estimation_trash_p   = s1->cplx_estimation_trash_p;
     s->cplx_estimation_trash_b   = s1->cplx_estimation_trash_b;
     s->rgb                       = s1->rgb;
+    s->h.c.studio_profile        = s1->h.c.studio_profile;
 
     s->h.skipped_last_frame      = s1->h.skipped_last_frame;
     s->h.padding_bug_score       = s1->h.padding_bug_score; // FIXME: racy