diff --git a/scripts/backup b/scripts/backup
index 8af0451..3c8d0e4 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -20,6 +20,12 @@ ynh_print_info --message="Declaring files to be backed up..."
 
 ynh_backup --src_path="$install_dir"
 
+#=================================================
+# BACKUP DATA DIR
+#=================================================
+
+ynh_backup --src_path="$data_dir" --is_big=1
+
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================