lib/fog/openstack/requests/compute/create_flavor.rb in fog-1.19.0 vs lib/fog/openstack/requests/compute/create_flavor.rb in fog-1.20.0

@@ -16,10 +16,10 @@
           flavors.each do |flavor|
             flavor_ids << flavor['id'].to_i
           end
 
           # Set flavor id
-          attributes[:flavor_id] = attributes[:flavor_id] || flavor_ids.sort.last + 1
+          attributes[:flavor_id] = attributes[:flavor_id] || ((flavor_ids.length > 0) ? (flavor_ids.sort.last) + 1 : 1)
 
           data = {
             'flavor' => {
               'name' => attributes[:name],
               'ram' => attributes[:ram],