diff --git a/conf/baikal.inc.php b/conf/baikal.inc.php
new file mode 100644
index 0000000..99a192b
--- /dev/null
+++ b/conf/baikal.inc.php
@@ -0,0 +1,16 @@
+
+$prefs['{baikal_id}'] = array(
+        // required attributes
+        'name'         =>  '{baikal_id}',
+        'username'     =>  '%u',
+        'password'     =>  '%p',
+        'url'          =>  '{baikal_url}/card.php/addressbooks/%u/',
+
+        // optional attributes
+        'active'       =>  true,
+        'readonly'     =>  false,
+        'refresh_time' => '00:05:00',
+
+        'fixed'        =>  array('username', 'password'),
+        'hide'         =>  false,
+);
diff --git a/conf/carddav.config.inc.php b/conf/carddav.config.inc.php
deleted file mode 100644
index 13c4509..0000000
--- a/conf/carddav.config.inc.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-// RCMCardDAV Plugin Admin Settings
-
-// ** ADDRESSBOOK PRESETS
-
-/* PRESET FOR: baikal
-$prefs['Baïkal'] = array(
-        // required attributes
-        'name'         =>  'Baïkal',
-        'username'     =>  '%u',
-        'password'     =>  '%p',
-        'url'          =>  '{baikal_url}/card.php/addressbooks/%u/',
-
-        // optional attributes
-        'active'       =>  true,
-        'readonly'     =>  false,
-        'refresh_time' => '00:05:00',
-
-        'fixed'        =>  array('username', 'password'),
-        'hide'         =>  false,
-);
-END: baikal */
-
-/* PRESET FOR: owncloud
-$prefs['ownCloud'] = array(
-        // required attributes
-        'name'         =>  'ownCloud',
-        'username'     =>  '%u',
-        'password'     =>  '%p',
-        'url'          =>  '{owncloud_url}/remote.php/dav/addressbooks/users/%u/default/',
-
-        // optional attributes
-        'active'       =>  true,
-        'readonly'     =>  false,
-        'refresh_time' => '00:05:00',
-
-        'fixed'        =>  array('username', 'password'),
-        'hide'         =>  false,
-);
-END: owncloud */
-
-/* PRESET FOR: nextcloud
-$prefs['NextCloud'] = array(
-        // required attributes
-        'name'         =>  'nextCloud',
-        'username'     =>  '%u',
-        'password'     =>  '%p',
-        'url'          =>  '{nextcloud_url}/remote.php/dav/addressbooks/users/%u/contacts/',
-
-        // optional attributes
-        'active'       =>  true,
-        'readonly'     =>  false,
-        'refresh_time' => '00:05:00',
-
-        'fixed'        =>  array('username', 'password'),
-        'hide'         =>  false,
-);
-END: nextcloud */
diff --git a/conf/nextcloud.inc.php b/conf/nextcloud.inc.php
new file mode 100644
index 0000000..46d3158
--- /dev/null
+++ b/conf/nextcloud.inc.php
@@ -0,0 +1,16 @@
+
+$prefs['{nextcloud_id}'] = array(
+        // required attributes
+        'name'         =>  '{nextcloud_id}',
+        'username'     =>  '%u',
+        'password'     =>  '%p',
+        'url'          =>  '{nextcloud_url}/remote.php/dav/addressbooks/users/%u/contacts/',
+
+        // optional attributes
+        'active'       =>  true,
+        'readonly'     =>  false,
+        'refresh_time' => '00:05:00',
+
+        'fixed'        =>  array('username', 'password'),
+        'hide'         =>  false,
+);
diff --git a/scripts/install b/scripts/install
index 25bf89a..f9a2132 100644
--- a/scripts/install
+++ b/scripts/install
@@ -159,27 +159,28 @@ then
     carddav_tmp_config="../conf/carddav.config.inc.php"
     carddav_server=0
 
+    # Copy the plugin configuration file
+    cp $final_path/plugins/carddav/config.inc.php{.dist,}
+
     # Look for installed and supported CardDAV servers
     for carddav_app in "nextcloud" "baikal"
     do
-        carddav_app_id=$(yunohost app list | grep "id: $carddav_app" | grep -Po 'id: \K(.*)' | head -n 1)
-        if [ -n "$carddav_app_id" ]
-        then
+        carddav_app_ids=$(yunohost app list | grep "id: $carddav_app" | grep -Po 'id: \K(.*)' || echo "")
+        for carddav_app_id in $carddav_app_ids
+        do
             carddav_server=1
+            # Append preset configuration to the config file
+            cat "../conf/${carddav_app}.inc.php" >> $final_path/plugins/carddav/config.inc.php
             # Retrieve app settings and enable relevant preset
             carddav_domain=$(ynh_app_setting_get --app=$carddav_app_id --key=domain)
             carddav_path=$(ynh_app_setting_get --app=$carddav_app_id --key=path)
             carddav_url="https://${carddav_domain}${carddav_path%/}"
-            ynh_replace_string --match_string="{${carddav_app}_url}" --replace_string="$carddav_url" --target_file="$carddav_tmp_config"
-            ynh_replace_string --match_string="\/\* PRESET FOR: $carddav_app" --replace_string="" --target_file="$carddav_tmp_config"
-            ynh_replace_string --match_string="END: $carddav_app \*\/" --replace_string="" --target_file="$carddav_tmp_config"
-        fi
+            ynh_replace_string --match_string="{${carddav_app}_id}" --replace_string="$carddav_app_id" --target_file="$final_path/plugins/carddav/config.inc.php"
+            ynh_replace_string --match_string="{${carddav_app}_url}" --replace_string="$carddav_url" --target_file="$final_path/plugins/carddav/config.inc.php"
+        done
     done
 
-    # Copy the plugin configuration file
-    cp "$carddav_tmp_config" ""$final_path/plugins/carddav/config.inc.php""
-
-    # Do not actualy add the carddav plugin if there's no CardDAV server available...
+    # Do not actualy add the carddav plugin if there's no carddav server available...
     if [ $carddav_server -eq 1 ]
     then
         installed_plugins+=" 'carddav',"
diff --git a/scripts/upgrade b/scripts/upgrade
index d0f9342..4fa6690 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -206,27 +206,28 @@ then
         carddav_tmp_config="../conf/carddav.config.inc.php"
         carddav_server=0
 
+        # Copy the plugin configuration file
+        cp $final_path/plugins/carddav/config.inc.php{.dist,}
+
         # Look for installed and supported CardDAV servers
         for carddav_app in "nextcloud" "baikal"
         do
-            carddav_app_id=$(yunohost app list | grep "id: $carddav_app" | grep -Po 'id: \K(.*)' | head -n 1)
-            if [ -n "$carddav_app_id" ]
-            then
+            carddav_app_ids=$(yunohost app list | grep "id: $carddav_app" | grep -Po 'id: \K(.*)' || echo "")
+            for carddav_app_id in $carddav_app_ids
+            do
                 carddav_server=1
+                # Append preset configuration to the config file
+                cat "../conf/${carddav_app}.inc.php" >> $final_path/plugins/carddav/config.inc.php
                 # Retrieve app settings and enable relevant preset
                 carddav_domain=$(ynh_app_setting_get --app=$carddav_app_id --key=domain)
                 carddav_path=$(ynh_app_setting_get --app=$carddav_app_id --key=path)
                 carddav_url="https://${carddav_domain}${carddav_path%/}"
-                ynh_replace_string --match_string="{${carddav_app}_url}" --replace_string="$carddav_url" --target_file="$carddav_tmp_config"
-                ynh_replace_string --match_string="\/\* PRESET FOR: $carddav_app" --replace_string="" --target_file="$carddav_tmp_config"
-                ynh_replace_string --match_string="END: $carddav_app \*\/" --replace_string="" --target_file="$carddav_tmp_config"
-            fi
+                ynh_replace_string --match_string="{${carddav_app}_id}" --replace_string="$carddav_app_id" --target_file="$final_path/plugins/carddav/config.inc.php"
+                ynh_replace_string --match_string="{${carddav_app}_url}" --replace_string="$carddav_url" --target_file="$final_path/plugins/carddav/config.inc.php"
+            done
         done
 
-        # Copy the plugin configuration file
-        cp "$carddav_tmp_config" ""$final_path/plugins/carddav/config.inc.php""
-
-        # Do not actually add the cardDAV plugin if there's no carddav server available...
+        # Do not actually add the carddav plugin if there's no carddav server available...
         if [ $carddav_server -eq 1 ]
         then
             installed_plugins+=" 'carddav',"