diff --git a/scripts/backup b/scripts/backup
index 031dabc..15bda74 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -21,6 +21,12 @@ ynh_print_info --message="Declaring files to be backed up..."
 
 ynh_backup --src_path="$install_dir"
 
+#=================================================
+# BACKUP THE DATA DIR
+#=================================================
+
+ynh_backup --src_path="$data_dir" --is_big
+
 #=================================================
 # SYSTEM CONFIGURATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index c9b4674..49c4964 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -19,6 +19,15 @@ ynh_restore_file --origin_path="$install_dir"
 
 chown -R $app:www-data "$install_dir"
 
+#=================================================
+# RESTORE THE DATA DIRECTORY
+#=================================================
+ynh_script_progression --message="Restoring the data directory..." --weight=1
+
+ynh_restore_file --origin_path="$data_dir" --not_mandatory
+
+chown -R "$app:www-data" "$data_dir"
+
 #=================================================
 # RESTORE THE PostgreSQL DATABASE
 #=================================================