diff --git a/src/cli/one_helper/oneimage_helper.rb b/src/cli/one_helper/oneimage_helper.rb
index 229c8f7259..51a0887f4e 100644
--- a/src/cli/one_helper/oneimage_helper.rb
+++ b/src/cli/one_helper/oneimage_helper.rb
@@ -103,6 +103,12 @@ class OneImageHelper < OpenNebulaHelper::OneHelper
             :description => 'Format of the image (raw, qcow2, ...)',
             :format => String
         },
+        {
+            :name => 'fs',
+            :large => '--fs filesystem',
+            :description => 'Filesystem to format the image (ext4, xfs, ...)',
+            :format => String
+        },
         {
             :name => 'disk_type',
             :large => '--disk_type disk_type',