diff --git a/app/tool/web_search.py b/app/tool/web_search.py
index 9f55199..c661f3b 100644
--- a/app/tool/web_search.py
+++ b/app/tool/web_search.py
@@ -48,7 +48,7 @@ The tool returns a list of URLs that match the search query.
         loop = asyncio.get_event_loop()
         search_engine = self.get_search_engine()
         links = await loop.run_in_executor(
-            None, lambda: list(search_engine(query, num_results=num_results))
+            None, lambda: list(search_engine.perform_search(query, num_results=num_results))
         )
 
         return links