diff --git a/app/Http/Controllers/Api/V1/ItemController.php b/app/Http/Controllers/Api/V1/ItemController.php
index c264fc52d..304c072f0 100644
--- a/app/Http/Controllers/Api/V1/ItemController.php
+++ b/app/Http/Controllers/Api/V1/ItemController.php
@@ -303,7 +303,7 @@ protected function createQueryBuilder($q, $filter)
 
         if ($q) {
             $query = Query::multiMatch()
-                ->fields(['title.*', 'description.*'])
+                ->fields(['title.*', 'description.*', 'identifier', 'id'])
                 ->query($q);
             $builder->must($query);
         }
diff --git a/tests/Feature/Api/V1/ItemsTest.php b/tests/Feature/Api/V1/ItemsTest.php
index 20f9e66eb..239e7da4b 100644
--- a/tests/Feature/Api/V1/ItemsTest.php
+++ b/tests/Feature/Api/V1/ItemsTest.php
@@ -326,4 +326,45 @@ public function test_show()
             ],
         ]);
     }
+
+    public function test_search_by_id()
+    {
+        $item = Item::factory()->create();
+        app(ItemRepository::class)->refreshIndex();
+
+        $url = route('api.v1.items.index', [
+            'q' => $item->id,
+        ]);
+
+        $this->getJson($url)->assertJson([
+            'total' => 1,
+            'data' => [
+                [
+                    'id' => $item->id,
+                ],
+            ],
+        ]);
+    }
+
+    public function test_search_by_identifier()
+    {
+        $item = Item::factory()->create(['identifier' => 'G 3415']);
+        app(ItemRepository::class)->refreshIndex();
+
+        $url = route('api.v1.items.index', [
+            'q' => 'G 3415',
+        ]);
+
+        $this->getJson($url)->assertJson([
+            'total' => 1,
+            'data' => [
+                [
+                    'id' => $item->id,
+                    'content' => [
+                        'identifier' => 'G 3415',
+                    ],
+                ],
+            ],
+        ]);
+    }
 }