diff --git a/src/oca/ruby/opennebula/group.rb b/src/oca/ruby/opennebula/group.rb
index f6f2077a2d..cebbaa9980 100644
--- a/src/oca/ruby/opennebula/group.rb
+++ b/src/oca/ruby/opennebula/group.rb
@@ -272,9 +272,10 @@ module OpenNebula
 
             acls.each{|rule|
                 acl = OpenNebula::Acl.new(OpenNebula::Acl.build_xml,@client)
-                parsed_acl = *OpenNebula::Acl.parse_rule(rule)
+                rule_ast = rule + " *"
+                parsed_acl = *OpenNebula::Acl.parse_rule(rule_ast)
                 return parsed_acl[0], "" if OpenNebula.is_error?(parsed_acl[0])
-                rc  = acl.allocate(*OpenNebula::Acl.parse_rule(rule))
+                rc  = acl.allocate(*OpenNebula::Acl.parse_rule(rule_ast))
                 return rc, "" if OpenNebula.is_error?(rc)
 
                 acls_ids << acl.id