diff --git a/lib/fog/openstack/requests/compute/list_security_groups.rb b/lib/fog/openstack/requests/compute/list_security_groups.rb
index 54ba25a99..5c740f473 100644
--- a/lib/fog/openstack/requests/compute/list_security_groups.rb
+++ b/lib/fog/openstack/requests/compute/list_security_groups.rb
@@ -8,7 +8,7 @@ module Fog
           if options.is_a?(Hash)
             server_id = options.delete(:server_id)
             query = options
-          elsif
+          else
             # Backwards compatibility layer, only server_id was passed as first parameter previously
             Fog::Logger.deprecation('Calling OpenStack[:compute].list_security_groups(server_id) is deprecated, use .list_security_groups(:server_id => value) instead')
             server_id = options