diff --git a/aioscrapy/VERSION b/aioscrapy/VERSION
index a96f385..21344eb 100644
--- a/aioscrapy/VERSION
+++ b/aioscrapy/VERSION
@@ -1 +1 @@
-1.2.16
\ No newline at end of file
+1.2.17
\ No newline at end of file
diff --git a/aioscrapy/dupefilters/redis.py b/aioscrapy/dupefilters/redis.py
index bab78b6..28bd258 100644
--- a/aioscrapy/dupefilters/redis.py
+++ b/aioscrapy/dupefilters/redis.py
@@ -1,6 +1,6 @@
 import logging
 
-from aioscrapy import Spider, Request
+from aioscrapy import Request
 from aioscrapy.db import db_manager
 from aioscrapy.dupefilters import DupeFilterBase
 
@@ -99,7 +99,7 @@ async def exists(self, value):
                 offset = f.hash(value)
                 pipe.getbit(self.key, offset)
             result = await pipe.execute()
-        return any(result)
+        return all(result)
 
     async def insert(self, value):
         """