diff --git a/src/transcode.c b/src/transcode.c
index ff9cd76b..3f5b4a8f 100644
--- a/src/transcode.c
+++ b/src/transcode.c
@@ -48,6 +48,7 @@
 #define USE_CONST_AVCODEC (LIBAVFORMAT_VERSION_MAJOR > 59) || ((LIBAVFORMAT_VERSION_MAJOR == 59) && (LIBAVFORMAT_VERSION_MINOR > 15))
 #define USE_NO_CLEAR_AVFMT_NOFILE (LIBAVFORMAT_VERSION_MAJOR > 59) || ((LIBAVFORMAT_VERSION_MAJOR == 59) && (LIBAVFORMAT_VERSION_MINOR > 15))
 #define USE_CH_LAYOUT (LIBAVCODEC_VERSION_MAJOR > 59) || ((LIBAVCODEC_VERSION_MAJOR == 59) && (LIBAVCODEC_VERSION_MINOR > 24))
+#define USE_ALAC_FRAME_SIZE_HACK (LIBAVCODEC_VERSION_MAJOR > 59) || ((LIBAVCODEC_VERSION_MAJOR == 59) && (LIBAVCODEC_VERSION_MINOR > 31))
 
 // Interval between ICY metadata checks for streams, in seconds
 #define METADATA_ICY_INTERVAL 5
@@ -545,6 +546,16 @@ stream_add(struct encode_ctx *ctx, struct stream_ctx *s, enum AVCodecID codec_id
       goto error;
     }
 
+  // airplay.c "misuses" the ffmpeg alac encoder in that it pushes frames with
+  // 352 samples even though the encoder wants 4096 (and doesn't have variable
+  // frame capability). This worked with no issues until ffmpeg 6, where it
+  // seems a frame size check was added. The below circumvents the check, but is
+  // dirty because we shouldn't be writing to this data element.
+#if USE_ALAC_FRAME_SIZE_HACK
+  if (codec_id == AV_CODEC_ID_ALAC)
+    s->codec->frame_size = 352;
+#endif
+
   // Copy the codec parameters we just set to the stream, so the muxer knows them
   ret = avcodec_parameters_from_context(s->stream->codecpar, s->codec);
   if (ret < 0)