diff --git a/src/vulkan/runtime/vk_video.c b/src/vulkan/runtime/vk_video.c
index 1791a676278..aa3ee5da951 100644
--- a/src/vulkan/runtime/vk_video.c
+++ b/src/vulkan/runtime/vk_video.c
@@ -2258,6 +2258,7 @@ vk_video_encode_h264_slice_header(const StdVideoEncodeH264PictureInfo *pic_info,
       assert(is_aligned);
    }
 
+   vl_bitstream_rbsp_trailing(&enc);
    vl_bitstream_flush(&enc);
    *data_size_ptr += vl_bitstream_get_byte_count(&enc);
    vl_bitstream_encoder_free(&enc);