diff --git a/libavcodec/pcm-bluray.c b/libavcodec/pcm-bluray.c
index f65609514a..235020d78f 100644
--- a/libavcodec/pcm-bluray.c
+++ b/libavcodec/pcm-bluray.c
@@ -167,7 +167,7 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, AVFrame *frame,
             samples *= num_source_channels;
             if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
 #if HAVE_BIGENDIAN
-                bytestream2_get_buffer(&gb, dst16, buf_size);
+                bytestream2_get_buffer(&gb, (uint8_t*)dst16, buf_size);
 #else
                 do {
                     *dst16++ = bytestream2_get_be16u(&gb);
@@ -187,7 +187,8 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, AVFrame *frame,
             if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
                 do {
 #if HAVE_BIGENDIAN
-                    bytestream2_get_buffer(&gb, dst16, avctx->ch_layout.nb_channels * 2);
+                    bytestream2_get_buffer(&gb, (uint8_t*)dst16,
+                                           avctx->ch_layout.nb_channels * 2);
                     dst16 += avctx->ch_layout.nb_channels;
 #else
                     channel = avctx->ch_layout.nb_channels;
diff --git a/libavcodec/pcm-dvd.c b/libavcodec/pcm-dvd.c
index 419b2a138f..319746c62e 100644
--- a/libavcodec/pcm-dvd.c
+++ b/libavcodec/pcm-dvd.c
@@ -157,7 +157,7 @@ static void *pcm_dvd_decode_samples(AVCodecContext *avctx, const uint8_t *src,
     switch (avctx->bits_per_coded_sample) {
     case 16: {
 #if HAVE_BIGENDIAN
-        bytestream2_get_buffer(&gb, dst16, blocks * s->block_size);
+        bytestream2_get_buffer(&gb, (uint8_t*)dst16, blocks * s->block_size);
         dst16 += blocks * s->block_size / 2;
 #else
         int samples = blocks * avctx->ch_layout.nb_channels;