lib/grape/dsl/inside_route.rb in grape-1.0.2 vs lib/grape/dsl/inside_route.rb in grape-1.0.3

@@ -62,10 +62,10 @@
               # If it is not a Hash then it does not have children.
               # Find its value or set it to nil.
               has_alias = route_setting(:aliased_params) && route_setting(:aliased_params).find { |current| current[declared_param] }
               param_alias = has_alias[declared_param] if has_alias
 
-              next unless options[:include_missing] || passed_params.key?(declared_param) || param_alias
+              next unless options[:include_missing] || passed_params.key?(declared_param) || (param_alias && passed_params.key?(param_alias))
 
               if param_alias
                 memo[optioned_param_key(param_alias, options)] = passed_params[param_alias]
               else
                 memo[optioned_param_key(declared_param, options)] = passed_params[declared_param]