diff --git a/pyroute2/netlink/connector/cn_proc.py b/pyroute2/netlink/connector/cn_proc.py
index c4128566a..7e56e83d8 100644
--- a/pyroute2/netlink/connector/cn_proc.py
+++ b/pyroute2/netlink/connector/cn_proc.py
@@ -147,8 +147,8 @@ def __init__(self, fileno=None):
         super().__init__(fileno=fileno)
         self.marshal = ProcEventMarshal()
 
-    def bind(self):
-        return super().bind(groups=CN_IDX_PROC)
+    def bind(self, **kwarg):
+        return super().bind(groups=CN_IDX_PROC, **kwarg)
 
     def control(self, listen):
         msg = proc_event_control()