diff --git a/libavcodec/h261dec.c b/libavcodec/h261dec.c
index 4d1c997544567b1a0548790acea22c647b776432..83cee7f30c4dcb386a9b8cf5204d149e5cb485d6 100644
--- a/libavcodec/h261dec.c
+++ b/libavcodec/h261dec.c
@@ -600,11 +600,10 @@ retry:
         s->parse_context = pc;
     }
 
-    if (!s->context_initialized)
+    if (!s->context_initialized) {
         if ((ret = ff_mpv_common_init(s)) < 0)
             return ret;
 
-    if (!s->context_initialized) {
         ret = ff_set_dimensions(avctx, s->width, s->height);
         if (ret < 0)
             return ret;