diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index abf0a3e887..6233f1e331 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -454,7 +454,8 @@ static av_cold int X264_init(AVCodecContext *avctx)
 
     x4->params.i_slice_count  = avctx->slices;
 
-    x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P;
+    x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
+                                 avctx->color_range == AVCOL_RANGE_JPEG;
 
     if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
         x4->params.b_repeat_headers = 0;