diff --git a/libavcodec/pcm-dvdenc.c b/libavcodec/pcm-dvdenc.c
index b1f01ee323..a740f0e381 100644
--- a/libavcodec/pcm-dvdenc.c
+++ b/libavcodec/pcm-dvdenc.c
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/avassert.h"
 #include "libavutil/channel_layout.h"
 #include "avcodec.h"
 #include "bytestream.h"
@@ -45,7 +46,7 @@ static av_cold int pcm_dvd_encode_init(AVCodecContext *avctx)
         freq = 1;
         break;
     default:
-        av_assert1(0);
+        av_unreachable("Already checked via CODEC_SAMPLERATES");
     }
 
     switch (avctx->sample_fmt) {
@@ -58,7 +59,7 @@ static av_cold int pcm_dvd_encode_init(AVCodecContext *avctx)
         quant = 2;
         break;
     default:
-        av_assert1(0);
+        av_unreachable("Already checked via CODEC_SAMPLEFMTS");
     }
 
     avctx->bits_per_coded_sample = 16 + quant * 4;