diff --git a/meson_options.txt b/meson_options.txt
index 93b5e2a9..1b915ac3 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -13,6 +13,9 @@ option('media-session',
        description: 'Build and install pipewire-media-session',
        type: 'feature',
        value: 'auto')
+option('media-session-prefix',
+       description: 'Install directory for pipewire-media-session and its support files',
+       type: 'string')
 option('man',
        description: 'Build manpages',
        type: 'feature',
diff --git a/src/daemon/systemd/user/meson.build b/src/daemon/systemd/user/meson.build
index 1edebb2d..251270eb 100644
--- a/src/daemon/systemd/user/meson.build
+++ b/src/daemon/systemd/user/meson.build
@@ -10,7 +10,7 @@ install_data(
 systemd_config = configuration_data()
 systemd_config.set('PW_BINARY', pipewire_bindir / 'pipewire')
 systemd_config.set('PW_PULSE_BINARY', get_option('pipewire_pulse_prefix') / 'bin/pipewire-pulse')
-systemd_config.set('PW_MEDIA_SESSION_BINARY', pipewire_bindir / 'pipewire-media-session')
+systemd_config.set('PW_MEDIA_SESSION_BINARY', get_option('media-session-prefix') / 'bin/pipewire-media-session')
 
 configure_file(input : 'pipewire.service.in',
                output : 'pipewire.service',