diff --git a/src/cli/onevm b/src/cli/onevm
index b0c9e4c55d..72182e38af 100755
--- a/src/cli/onevm
+++ b/src/cli/onevm
@@ -627,7 +627,7 @@ cmd=CommandParser::CmdParser.new(ARGV) do
         Creates a new VM snapshot
     EOT
 
-    command :"snapshot-create", snapshot_create_desc, :vmid, :name do
+    command :"snapshot-create", snapshot_create_desc, :vmid, [:name, nil] do
         helper.perform_action(args[0],options,"snapshot created") do |o|
             o.snapshot_create(args[1])
         end
diff --git a/src/oca/ruby/opennebula/virtual_machine.rb b/src/oca/ruby/opennebula/virtual_machine.rb
index 1c4b055319..2e45b6e3a1 100644
--- a/src/oca/ruby/opennebula/virtual_machine.rb
+++ b/src/oca/ruby/opennebula/virtual_machine.rb
@@ -417,7 +417,8 @@ module OpenNebula
         #
         # @return [nil, OpenNebula::Error] nil in case of success, Error
         #   otherwise
-        def snapshot_create(name)
+        def snapshot_create(name="")
+            name ||= ""
             return call(VM_METHODS[:snapshotcreate], @pe_id, name)
         end