diff --git a/ryu/services/protocols/bgp/base.py b/ryu/services/protocols/bgp/base.py
index 713622d3..dd658aa7 100644
--- a/ryu/services/protocols/bgp/base.py
+++ b/ryu/services/protocols/bgp/base.py
@@ -495,6 +495,9 @@ class Sink(object):
 
         return outgoing_msg
 
+    # For Python 3 compatibility
+    __next__ = next
+
 
 #
 # Source