diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 5a2f386..9c9fda1 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -324,6 +324,26 @@ class Configuration
                                 ->scalarNode('null_value')->end()
                                 ->booleanNode('include_in_all')->defaultValue('true')->end()
                                 ->scalarNode('lat_lon')->end()
+                                ->arrayNode('fields')
+                                    ->useAttributeAsKey('name')
+                                    ->prototype('array')
+                                        ->treatNullLike(array())
+                                        ->addDefaultsIfNotSet()
+                                        ->children()
+                                            ->scalarNode('type')->defaultValue('string')->end()
+                                            ->scalarNode('boost')->end()
+                                            ->scalarNode('store')->end()
+                                            ->scalarNode('index')->end()
+                                            ->scalarNode('index_analyzer')->end()
+                                            ->scalarNode('search_analyzer')->end()
+                                            ->scalarNode('analyzer')->end()
+                                            ->scalarNode('term_vector')->end()
+                                            ->scalarNode('null_value')->end()
+                                            ->booleanNode('include_in_all')->defaultValue('true')->end()
+                                            ->scalarNode('lat_lon')->end()
+                                        ->end()
+                                    ->end()
+                                ->end()
                             ->end()
                         ->end()
                     ->end()