diff --git a/lib/Alchemy/Phrasea/Controller/Api/V1Controller.php b/lib/Alchemy/Phrasea/Controller/Api/V1Controller.php
index 66ad090fcb..2e28ff866c 100644
--- a/lib/Alchemy/Phrasea/Controller/Api/V1Controller.php
+++ b/lib/Alchemy/Phrasea/Controller/Api/V1Controller.php
@@ -1099,18 +1099,19 @@ class V1Controller extends Controller
         $this->getSearchEngine()->clearCache();
 
         $ret = [
-            'offset_start'      => $offsetStart,
-            'per_page'          => $perPage,
+            'offset_start' => $offsetStart,
+            'per_page' => $perPage,
             'available_results' => $search_result->getAvailable(),
-            'total_results'     => $search_result->getTotal(),
-            'error'             => (string)$search_result->getError(),
-            'warning'           => (string)$search_result->getWarning(),
-            'query_time'        => $search_result->getDuration(),
-            'search_indexes'    => $search_result->getIndexes(),
-            'suggestions'       => array_map(
+            'total_results' => $search_result->getTotal(),
+            'error' => (string)$search_result->getError(),
+            'warning' => (string)$search_result->getWarning(),
+            'query_time' => $search_result->getDuration(),
+            'search_indexes' => $search_result->getIndexes(),
+            'suggestions' => array_map(
                 function (SearchEngineSuggestion $suggestion) {
                     return $suggestion->toArray();
                 }, $search_result->getSuggestions()->toArray()),
+            'facets' => $search_result->getFacets(),
             'results' => [],
             'query' => $search_result->getQuery(),
         ];
diff --git a/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php b/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php
index f6f10946cd..9f9c159ba3 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php
@@ -271,13 +271,13 @@ class ElasticSearchEngine implements SearchEngineInterface
         $res = $this->client->search($params);
 
         $results = new ArrayCollection();
-        $suggestions = new ArrayCollection();
 
         $n = 0;
         foreach ($res['hits']['hits'] as $hit) {
             $results[] = ElasticsearchRecordHydrator::hydrate($hit, $n++);
         }
 
+        /** @var FacetsResponse $facets */
         $facets = $this->facetsResponseFactory->__invoke($res);
 
         $query['ast'] = $this->app['query_compiler']->parse($string)->dump();
@@ -285,9 +285,20 @@ class ElasticSearchEngine implements SearchEngineInterface
         $query['query'] = $params['body'];
         $query['query_string'] = json_encode($params['body']);
 
-        return new SearchEngineResult($results, json_encode($query), $res['took'], $offset,
-            $res['hits']['total'], $res['hits']['total'], null, null, $suggestions, [],
-            $this->indexName, $facets);
+        return new SearchEngineResult(
+            $results,   // ArrayCollection of results
+            json_encode($query),
+            $res['took'],   // duration
+            $offset,        // offset start
+            $res['hits']['total'],  // available
+            $res['hits']['total'],  // total
+            null,   // error
+            null,   // warning
+            $facets->getAsSuggestions(),   // ArrayCollection of suggestions
+            [],     // propositions
+            $this->indexName,
+            $facets
+        );
     }
 
     /**
diff --git a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Search/FacetsResponse.php b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Search/FacetsResponse.php
index b6a63e9b71..d7f3a8fb7a 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/Elastic/Search/FacetsResponse.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/Elastic/Search/FacetsResponse.php
@@ -3,6 +3,8 @@
 namespace Alchemy\Phrasea\SearchEngine\Elastic\Search;
 
 use Alchemy\Phrasea\Exception\RuntimeException;
+use Alchemy\Phrasea\SearchEngine\SearchEngineSuggestion;
+use Doctrine\Common\Collections\ArrayCollection;
 use JsonSerializable;
 
 class FacetsResponse implements JsonSerializable
@@ -31,6 +33,23 @@ class FacetsResponse implements JsonSerializable
         }
     }
 
+    /**
+     * @return ArrayCollection
+     */
+    public function getAsSuggestions()
+    {
+        $suggestions = new ArrayCollection();
+
+        // for es, suggestions are a flat view of facets (api backward compatibility)
+        foreach ($this->facets as $facet) {
+            foreach ($facet['values'] as $value) {
+                $suggestions->add(new SearchEngineSuggestion($value['query'], $value['value'], $value['count']));
+            }
+        }
+
+        return $suggestions;
+    }
+
     private function buildBucketsValues($name, $buckets)
     {
         $values = array();
diff --git a/lib/Alchemy/Phrasea/SearchEngine/SearchEngineSuggestion.php b/lib/Alchemy/Phrasea/SearchEngine/SearchEngineSuggestion.php
index 3997ea46e2..7d3f18d161 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/SearchEngineSuggestion.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/SearchEngineSuggestion.php
@@ -74,7 +74,8 @@ class SearchEngineSuggestion
     public function toArray()
     {
         return [
-            'query' => $this->getSuggestion(),
+            'suggestion' => $this->getSuggestion(),
+            'query' => $this->getQuery(),
             'hits'  => $this->getHits(),
         ];
     }
diff --git a/tests/Alchemy/Tests/Phrasea/SearchEngine/SearchEngineSuggestionTest.php b/tests/Alchemy/Tests/Phrasea/SearchEngine/SearchEngineSuggestionTest.php
index 347d797676..b6a8a6e614 100644
--- a/tests/Alchemy/Tests/Phrasea/SearchEngine/SearchEngineSuggestionTest.php
+++ b/tests/Alchemy/Tests/Phrasea/SearchEngine/SearchEngineSuggestionTest.php
@@ -44,7 +44,7 @@ class SearchEngineSuggestionTest extends \PhraseanetTestCase
         $hits = 35;
 
         $suggestion = new SearchEngineSuggestion($query, $words, $hits);
-        $this->assertEquals(['query' => $words, 'hits' => 35], $suggestion->toArray());
+        $this->assertEquals(['query' => $query, 'hits' => 35, 'suggestion' => $words], $suggestion->toArray());
     }
 
     public function testToArrayWithNullValue()
@@ -54,6 +54,6 @@ class SearchEngineSuggestionTest extends \PhraseanetTestCase
         $hits = null;
 
         $suggestion = new SearchEngineSuggestion($query, $words, $hits);
-        $this->assertEquals(['query' => $words, 'hits' => null], $suggestion->toArray());
+        $this->assertEquals(['query' => $query, 'hits' => null, 'suggestion' => $words], $suggestion->toArray());
     }
 }