diff --git a/scripts/change_url b/scripts/change_url
index ad8cc44..344d4bd 100755
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -19,7 +19,7 @@ old_domain=$YNH_APP_OLD_DOMAIN
 old_path=$YNH_APP_OLD_PATH
 
 new_domain=$YNH_APP_NEW_DOMAIN
-new_path=$YNH_APP_NEW_PATH
+new_path="/"
 
 app=$YNH_APP_INSTANCE_NAME
 
diff --git a/scripts/install b/scripts/install
index b188908..3ba7ef6 100755
--- a/scripts/install
+++ b/scripts/install
@@ -67,11 +67,11 @@ ynh_script_progression --message="Finding an available port..." --weight=3
 port=$(ynh_find_port --port=8443)
 ynh_app_setting_set --app=$app --key=port --value=$port
 
-# Find an available port
+# Find an available port for TURN
 turn_port=$(ynh_find_port --port=1194)
 ynh_app_setting_set --app=$app --key=turn_port --value=$turn_port
 
-# Open the ports
+# Open TURN port
 ynh_script_progression --message="Configuring firewall..." --weight=1
 
 ynh_exec_warn_less yunohost firewall allow Both $turn_port
@@ -86,7 +86,7 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 ynh_setup_source --dest_dir="$final_path" --source_id="$architecture"
 
 #=================================================
-# CREATE DATA FOLDER
+# CREATE DATA AND GROUPS FOLDER
 #=================================================
 
 # Define app's data directory
@@ -94,6 +94,11 @@ data="$final_path/data"
 # Create data folder
 mkdir -p "$data"
 
+# Define app's groups directory
+groups="$final_path/groups"
+# Create groups folder
+mkdir -p "$groups"
+
 #=================================================
 # CREATE A SERVER CERTIFICATE
 #=================================================
@@ -132,24 +137,13 @@ ynh_replace_string --match_string="__TURN_PORT__" --replace_string="$turn_port"
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-#=================================================
-# CREATE GROUPS FOLDER
-#=================================================
-
-# Define app's groups directory
-groups="$final_path/groups"
-# Create groups folder
-mkdir -p "$groups"
-
 #=================================================
 # MODIFY A CONFIG FILE
 #=================================================
 
 ynh_add_config --template="../conf/passwd" --destination="$final_path/data/passwd"
-ynh_store_file_checksum --file="$final_path/data/passwd"
 
 ynh_add_config --template="../conf/groupname.json" --destination="$final_path/groups/$group_name.json"
-ynh_store_file_checksum --file="$final_path/groups/$group_name.json"
 
 #=================================================
 # GENERIC FINALIZATION
@@ -160,6 +154,8 @@ ynh_store_file_checksum --file="$final_path/groups/$group_name.json"
 # Set permissions to app files
 chown -R $app: $final_path
 chmod -R 755 $final_path
+chmod -R 600 $final_path/groups
+chmod 600 $final_path/data/passwd
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
diff --git a/scripts/restore b/scripts/restore
index 0838dfb..bdec6b9 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -73,6 +73,8 @@ ynh_system_user_create --username=$app
 # Restore permissions on app files
 chown -R $app: $final_path
 chmod -R 755 $final_path
+chmod -R 600 $final_path/groups
+chmod 600 $final_path/data/passwd
 
 #=================================================
 # RESTORE SYSTEMD