diff --git a/module/filter/doubleFilter.py b/module/filter/doubleFilter.py
index f23e17e..dfcdd72 100644
--- a/module/filter/doubleFilter.py
+++ b/module/filter/doubleFilter.py
@@ -89,4 +89,4 @@ class BoswatchModule(ModuleBase):
                 return False
 
         logging.debug("doubleFilter ok")
-        return bwPacket
+        return None