diff --git a/scripts/_common.sh b/scripts/_common.sh
index 944a65e..e999c0a 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -8,6 +8,22 @@
 # PERSONAL HELPERS
 #=================================================
 
+_get_metronome_config_dir() {
+    if [[ $YNH_DEBIAN_VERSION == "bullseye" ]]; then
+        echo "/etc/metronome/conf.d"
+        return 0
+    fi
+
+    # multi_instance=false, there's only one
+    metronome_app=$(yunohost app list --json | jq '.apps[] | select(.id == "metronome")) | .id')
+    if (( ${#metronome_apps[@]} == 0 )); then
+        ynh_print_warn --message="Could not find any metronome app!"
+        return 1
+    fi
+
+    echo "$(yunohost app setting "$metronome_app" install_dir)/conf/conf.d"
+}
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/backup b/scripts/backup
index 3e18628..3804255 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -27,7 +27,7 @@ ynh_backup --src_path="/etc/$app"
 
 ynh_backup --src_path="/var/lib/$app"
 
-ynh_backup --src_path="/etc/metronome/conf.d/$app.cfg.lua"
+ynh_backup --src_path="$(_get_metronome_config_dir)/$app.cfg.lua"
 
 ynh_backup --src_path="/var/log/$app/"
 
diff --git a/scripts/install b/scripts/install
index 73a2757..2cb85ca 100755
--- a/scripts/install
+++ b/scripts/install
@@ -42,8 +42,9 @@ ynh_script_progression --message="Adding $app's configuration files..." --weight
 ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"
 
 # Add metronome component
-ynh_add_config --template="metronome.cfg.lua" --destination="/etc/metronome/conf.d/$app.cfg.lua"
-chown metronome:metronome "/etc/metronome/conf.d/$app.cfg.lua"
+metronome_config_dir=$(_get_metronome_config_dir)
+ynh_add_config --template="metronome.cfg.lua" --destination="$metronome_config_dir/$app.cfg.lua"
+chown metronome:metronome "$metronome_config_dir/$app.cfg.lua"
 ynh_systemd_action --service_name="metronome" --action="restart"
 
 # Add biboumi configuration
diff --git a/scripts/remove b/scripts/remove
index c64bb88..fb6c978 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -36,7 +36,7 @@ ynh_secure_remove --file="/var/lib/$app"
 ynh_secure_remove --file="/etc/$app"
 
 # Remove Metronome component
-ynh_secure_remove --file="/etc/metronome/conf.d/$app.cfg.lua"
+ynh_secure_remove --file="$(_get_metronome_config_dir)/$app.cfg.lua"
 ynh_systemd_action --action=restart --service_name=metronome
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index e8610d7..05733ac 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -33,8 +33,9 @@ ynh_script_progression --message="Restoring various files..."
 ynh_restore_file --origin_path="/etc/$app"
 chown -R _biboumi:_biboumi "/etc/$app"
 
-ynh_restore_file --origin_path="/etc/metronome/conf.d/$app.cfg.lua"
-chown metronome:metronome "/etc/metronome/conf.d/$app.cfg.lua"
+metronome_config_dir=$(_get_metronome_config_dir)
+ynh_restore_file --origin_path="$metronome_config_dir/$app.cfg.lua"
+chown metronome:metronome "$metronome_config_dir/$app.cfg.lua"
 ynh_systemd_action --service_name=metronome --action="restart"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index e185eea..3113718 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,8 +28,9 @@ chown -R _biboumi:_biboumi "/var/lib/$app"
 ynh_script_progression --message="Updating $app's configuration files..." --weight=1
 
 # Upgrade metronome component
-ynh_add_config --template="metronome.cfg.lua" --destination="/etc/metronome/conf.d/$app.cfg.lua"
-chown metronome:metronome "/etc/metronome/conf.d/$app.cfg.lua"
+metronome_config_dir=$(_get_metronome_config_dir)
+ynh_add_config --template="metronome.cfg.lua" --destination="$metronome_config_dir/$app.cfg.lua"
+chown metronome:metronome "$metronome_config_dir/$app.cfg.lua"
 ynh_systemd_action --service_name=metronome --action="restart"
 
 # Upgrade biboumi configuration