diff --git a/searx/engines/__init__.py b/searx/engines/__init__.py
index d07efe98..af297313 100644
--- a/searx/engines/__init__.py
+++ b/searx/engines/__init__.py
@@ -97,7 +97,7 @@ def search(query, request, selected_engines):
         for new_res in results:
             if res['parsed_url'].netloc == new_res['parsed_url'].netloc and\
                res['parsed_url'].path == new_res['parsed_url'].path and\
-               res['parsed_url'].query == res['parsed_url'].query:
+               res['parsed_url'].query == new_res['parsed_url'].query:
                 duplicated = new_res
                 break
         if duplicated: