diff --git a/scripts/backup b/scripts/backup
index 111d116..514800d 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -30,6 +30,7 @@ app=$YNH_APP_INSTANCE_NAME
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+public_path=$(ynh_app_setting_get --app=$app --key=public_path)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
@@ -42,6 +43,12 @@ ynh_print_info --message="Declaring files to be backed up..."
 
 ynh_backup --src_path="$final_path"
 
+#=================================================
+# BACKUP THE DATA DIR
+#=================================================
+
+ynh_backup --src_path="$public_path" --is_big
+
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/install b/scripts/install
index 1545444..b15901c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -112,13 +112,16 @@ chown -R $app:www-data "$final_path"
 #=================================================
 # CREATE DIRECTORIES
 #=================================================
+ynh_script_progression --message="Creating a data directory..."
 
 public_path=/home/yunohost.app/$app
 ynh_app_setting_set --app=$app --key=public_path --value=$public_path
 
 mkdir -p $public_path
-chown -R $app:www-data $public_path
-chmod 755 $public_path
+
+chmod 755 "$public_path"
+chmod -R o-rwx "$public_path"
+chown -R $app:www-data "$public_path"
 
 #=================================================
 # NGINX CONFIGURATION
diff --git a/scripts/restore b/scripts/restore
index 66b9de4..16dd503 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -74,6 +74,19 @@ chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
 
+#=================================================
+# RESTORE THE DATA DIRECTORY
+#=================================================
+ynh_script_progression --message="Restoring the data directory..."
+
+ynh_restore_file --origin_path="$public_path" --not_mandatory
+
+mkdir -p $public_path
+
+chmod 750 "$public_path"
+chmod -R o-rwx "$public_path"
+chown -R $app:www-data "$public_path"
+
 #=================================================
 # SPECIFIC RESTORATION
 #=================================================