diff --git a/libavcodec/utvideoenc.c b/libavcodec/utvideoenc.c
index c4885a59b1..c47ccd06fe 100644
--- a/libavcodec/utvideoenc.c
+++ b/libavcodec/utvideoenc.c
@@ -513,8 +513,7 @@ static int utvideo_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 
     bytestream2_init_writer(&pb, dst, pkt->size);
 
-    av_fast_malloc(&c->slice_bits, &c->slice_bits_size,
-                   width * height + FF_INPUT_BUFFER_PADDING_SIZE);
+    av_fast_padded_malloc(&c->slice_bits, &c->slice_bits_size, width * height);
 
     if (!c->slice_bits) {
         av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer 2.\n");