diff --git a/docs/03-customization.md b/docs/03-customization.md
index c7235ef1..0f6e8fb5 100644
--- a/docs/03-customization.md
+++ b/docs/03-customization.md
@@ -50,4 +50,5 @@ The following variables control various aspects of each plugin behavior:
 | SOUND_SPOTIFY_PASSWORD                                                         | Your Spotify login password. Note: most Spotify clients on phones will authenticate via zeroconf so this is not usually required.                                                                                               | ---                                                                     | ---      |
 | SOUND_SPOTIFY_DISABLE_NORMALISATION                                            | Disable volume normalization in Spotify.                                                                                                                                                                                        | Disabled if the variable exists regardless of its value.                | ---      |
 | SOUND_SPOTIFY_ENABLE_CACHE                                                     | Enable the audio cache in Spotify. Note that over time the cache can take up large amounts of disk space.                                                                                                                       | Enabled if the variable exists regardless of its value.                 | ---      |
-| SOUND_SPOTIFY_BITRATE                                                          | Spotify playback bitrate.                                                                                                                                                                                                       | Bitrate in kbps: `96`, `160` or `320`                                   | 160      |
+| SOUND_SPOTIFY_BITRATE                                                          | Spotify playback bitrate.                                                                                                                                                                                                       | Bitrate in kbps: `96`, `160` or `320`                                   | `160`    |
+| SOUND_SPOTIFY_VOLUME_CTRL                                                      | Spotify volume control method.                                                                                                                                                                                                  | `cubic`, `fixed`, `linear`, or `log`                                    | `linear` |
diff --git a/plugins/spotify/start.sh b/plugins/spotify/start.sh
index 1e34a6b2..75672f13 100644
--- a/plugins/spotify/start.sh
+++ b/plugins/spotify/start.sh
@@ -8,8 +8,10 @@ fi
 # --- ENV VARS ---
 # SOUND_DEVICE_NAME: Set the device broadcast name for Spotify
 # SOUND_SPOTIFY_BITRATE: Set the playback bitrate
+# SOUND_SPOTIFY_VOLUME_CTRL: Set the volume control method
 SOUND_DEVICE_NAME=${SOUND_DEVICE_NAME:-"balenaSound Spotify $(echo "$BALENA_DEVICE_UUID" | cut -c -4)"}
 SOUND_SPOTIFY_BITRATE=${SOUND_SPOTIFY_BITRATE:-160}
+SOUND_SPOTIFY_VOLUME_CTRL=${SOUND_SPOTIFY_VOLUME_CTRL:-linear}
 
 # SOUND_SPOTIFY_DISABLE_NORMALISATION: Disable volume normalization
 if [[ -z ${SOUND_SPOTIFY_DISABLE_NORMALISATION+x} ]]; then
@@ -44,7 +46,7 @@ set -- /usr/bin/librespot \
   --name "$SOUND_DEVICE_NAME" \
   --bitrate "$SOUND_SPOTIFY_BITRATE" \
   --cache /var/cache/raspotify \
-  --volume-ctrl linear \
+  --volume-ctrl "$SOUND_SPOTIFY_VOLUME_CTRL" \
   "$@"
 
 exec "$@"