diff --git a/searx/search.py b/searx/search.py
index 24695083c..fcc838225 100644
--- a/searx/search.py
+++ b/searx/search.py
@@ -234,7 +234,7 @@ def search_multiple_requests(requests, result_container, start_time, timeout_lim
         if th.name == search_id:
             remaining_time = max(0.0, timeout_limit - (time() - start_time))
             th.join(remaining_time)
-            if th.isAlive():
+            if th.is_alive():
                 result_container.add_unresponsive_engine(th._engine_name, 'timeout')
                 logger.warning('engine timeout: {0}'.format(th._engine_name))