diff --git a/src/video_output/vout_subpictures.c b/src/video_output/vout_subpictures.c
index 8659c99d1084f3e15ba48e2751080ef10cecc0d0..fb719998de45b8bec259c03ffbd521bbc00a108d 100644
--- a/src/video_output/vout_subpictures.c
+++ b/src/video_output/vout_subpictures.c
@@ -1813,11 +1813,12 @@ static void * spu_PrerenderThread(void *priv)
 
         subpicture_t *p_subpic = sys->prerender.p_processed;
 
-        spu_UpdateOriginalSize(spu, p_subpic, &fmtsrc);
 
         subpicture_Update(p_subpic, &fmtsrc, &fmtdst,
                           p_subpic->b_subtitle ? p_subpic->i_start : vlc_tick_now());
 
+        spu_UpdateOriginalSize(spu, p_subpic, &fmtsrc);
+
         spu_PrerenderText(spu, p_subpic, chroma_list);
 
         vlc_mutex_lock(&sys->prerender.lock);