diff --git a/src/cli/one_helper.rb b/src/cli/one_helper.rb
index 8d9cd25f26..c04b43e024 100644
--- a/src/cli/one_helper.rb
+++ b/src/cli/one_helper.rb
@@ -918,12 +918,12 @@ EOT
             elsif options[:xml]
                 return list_pool_xml(pool, options, filter_flag)
             elsif options[:json]
-                list_pool_format(pool, options, filter_flag) do |pool|
+                return list_pool_format(pool, options, filter_flag) do |pool|
                     hash        = check_resource_xsd(pool, pname)
                     puts ::JSON.pretty_generate(hash)
                 end
             elsif options[:yaml]
-                list_pool_format(pool, options, filter_flag) do |pool|
+                return list_pool_format(pool, options, filter_flag) do |pool|
                     hash        = check_resource_xsd(pool, pname)
                     puts hash.to_yaml(:indent => 4)
                 end