diff --git a/product/CMFActivity/ActiveProcess.py b/product/CMFActivity/ActiveProcess.py
index a22bf9f86df59e0068dab06b35ee3e9b0d05f06c..bfb38dd0e19a176be468428082b04b41aee3c0a4 100755
--- a/product/CMFActivity/ActiveProcess.py
+++ b/product/CMFActivity/ActiveProcess.py
@@ -86,7 +86,7 @@ class ActiveProcess(Base):
       self.result_list.insert(result)
 
     security.declareProtected(CMFCorePermissions.ManagePortal, 'getResultList')
-    def getResultList(self):
+    def getResultList(self, **kw):
       """
         Returns the list of results
       """