diff --git a/scripts/birdnet_recording.sh b/scripts/birdnet_recording.sh
index 9f98379..744aa0c 100755
--- a/scripts/birdnet_recording.sh
+++ b/scripts/birdnet_recording.sh
@@ -29,7 +29,7 @@ if [ ! -z $RTSP_STREAM ];then
       # Map id used to map input to output, this is 0 based in ffmpeg decrement
       MAP_ID=$((RTSP_STREAMS_STARTED_COUNT-1))
       # Build up the parameters to process the RSTP stream, including mapping for the output
-      FFMPEG_PARAMS+="-vn -thread_queue_size 512 -i ${i} -map ${MAP_ID} -t ${RECORDING_LENGTH} -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/StreamData/$(date "+%F")-birdnet-RTSP_${RTSP_STREAMS_STARTED_COUNT}-$(date "+%H:%M:%S").wav "
+      FFMPEG_PARAMS+="-vn -thread_queue_size 512 -i ${i} -map ${MAP_ID}:a:0 -t ${RECORDING_LENGTH} -acodec pcm_s16le -ac 2 -ar 48000 file:${RECS_DIR}/StreamData/$(date "+%F")-birdnet-RTSP_${RTSP_STREAMS_STARTED_COUNT}-$(date "+%H:%M:%S").wav "
       # Increment counter
       ((RTSP_STREAMS_STARTED_COUNT += 1))
     done