diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index 2370601ed7..698ade2168 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -121,11 +121,11 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
     av_reduce(&sar_num, &sar_den,
               avctx->sample_aspect_ratio.num,
               avctx->sample_aspect_ratio.den, 4096);
-    ctx->params->bEnableVuiParametersPresentFlag = 1;
-    ctx->params->bEnableAspectRatioIdc           = 1;
-    ctx->params->aspectRatioIdc                  = 255;
-    ctx->params->sarWidth                        = sar_num;
-    ctx->params->sarHeight                       = sar_den;
+    ctx->params->vui.bEnableVuiParametersPresentFlag = 1;
+    ctx->params->vui.bEnableAspectRatioIdc           = 1;
+    ctx->params->vui.aspectRatioIdc                  = 255;
+    ctx->params->vui.sarWidth                        = sar_num;
+    ctx->params->vui.sarHeight                       = sar_den;
 
     if (x265_max_bit_depth == 8)
         ctx->params->internalBitDepth = 8;