diff --git a/geocoder/yandex.py b/geocoder/yandex.py
index c55e15fd..811ba3f4 100644
--- a/geocoder/yandex.py
+++ b/geocoder/yandex.py
@@ -153,6 +153,7 @@ def _build_params(self, location, provider_key, **kwargs):
             'kind': kwargs.get('kind', ''),
             'format': 'json',
             'results': kwargs.get('maxRows', 1),
+            'apikey': kwargs.get('apikey', '')
         }
 
     def _adapt_results(self, json_response):