diff --git a/plugins/PeerDb/PeerDbPlugin.py b/plugins/PeerDb/PeerDbPlugin.py
index 94ceb46a..241b5c58 100644
--- a/plugins/PeerDb/PeerDbPlugin.py
+++ b/plugins/PeerDb/PeerDbPlugin.py
@@ -60,7 +60,7 @@ class ContentDbPlugin(object):
     def iteratePeers(self, site):
         site_id = self.site_ids.get(site.address)
         for key, peer in site.peers.iteritems():
-            address, port = key.split(":")
+            address, port = key.rsplit(":", 1)
             if peer.has_hashfield:
                 hashfield = sqlite3.Binary(peer.hashfield.tostring())
             else: