diff --git a/birdnet-pi/rootfs/etc/cont-init.d/71-newfeatures.sh b/birdnet-pi/rootfs/etc/cont-init.d/71-newfeatures.sh
index 9dcdd94f4..646d23094 100755
--- a/birdnet-pi/rootfs/etc/cont-init.d/71-newfeatures.sh
+++ b/birdnet-pi/rootfs/etc/cont-init.d/71-newfeatures.sh
@@ -9,6 +9,11 @@ set -e
 echo " "
 bashio::log.info "Adding optional features"
 
+# Denoiser
+if bashio::config.true "DENOISER_ANALYSIS_ENABLED"; then
+    sed -i "s|ar 48000|ar 48000 -af \"arnndn=m=sample.rnnn\"|g" "$HOME"/BirdNET-Pi/scripts/birdnet_recording.sh
+fi
+
 # Add species conversion system
 ###############################
 if bashio::config.true "SPECIES_CONVERTER_ENABLED"; then