diff --git a/src/cli/one_helper/onecluster_helper.rb b/src/cli/one_helper/onecluster_helper.rb
index cc3d2643e9..243fac5d85 100644
--- a/src/cli/one_helper/onecluster_helper.rb
+++ b/src/cli/one_helper/onecluster_helper.rb
@@ -113,7 +113,7 @@ class OneClusterHelper < OpenNebulaHelper::OneHelper
             total_ram = 0
             used_ram  = 0
 
-            hosts.each do |h|
+            [hosts].flatten.each do |h|
                 h = OpenNebula::Host.new_with_id(h, @client)
 
                 h.info!