diff --git a/manifest.json b/manifest.json
index fb7fb09..1e88f64 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,7 @@
         "email": ""
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/install b/scripts/install
index 2c1c9e7..763fef2 100644
--- a/scripts/install
+++ b/scripts/install
@@ -143,11 +143,6 @@ popd
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --weight=12
 
-ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file=../conf/systemd.service
-ynh_replace_string --match_string="__PATH__" --replace_string="$path_url" --target_file=../conf/systemd.service
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file=../conf/systemd.service
-ynh_replace_string --match_string="__PHPVERSION__" --replace_string="$phpversion" --target_file=../conf/systemd.service
-
 ynh_add_systemd_config
 
 #=================================================
@@ -155,7 +150,7 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Configuring database..." --weight=1
 
-cache_dir="/home/$app"
+cache_dir="/home/yunohost.app/$app"
 
 # Create cachedir folder
 mkdir -p $cache_dir
@@ -172,9 +167,9 @@ popd
 # SET PERMISSIONS
 #=================================================
 
-chown -R $app:www-data $final_path
-chown -R $app $final_path/src/Movim/
-chmod u+rwx $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
diff --git a/scripts/restore b/scripts/restore
index 9effe72..a560845 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -73,8 +73,9 @@ ynh_system_user_create --username=$app
 #=================================================
 
 # Restore permissions on app files
-chown -R $app:www-data $final_path
-chown -R $app $final_path/src/Movim/
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 44d4183..42979f8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -128,9 +128,9 @@ ynh_add_fpm_config --package="$extra_php_dependencies"
 # SET PERMISSIONS
 #=================================================
 
-chown -R $app:www-data $final_path
-chown -R $app $final_path/src/Movim/Bootstrap.php
-chmod u+rwx $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
@@ -156,11 +156,6 @@ popd
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..." --weight=5
 
-ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file=../conf/systemd.service
-ynh_replace_string --match_string="__PATH__" --replace_string="$path_url" --target_file=../conf/systemd.service
-ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file=../conf/systemd.service
-ynh_replace_string --match_string="__PHPVERSION__" --replace_string="$phpversion" --target_file=../conf/systemd.service
-
 ynh_add_systemd_config
 
 #=================================================