diff --git a/src/Connection/Connection.py b/src/Connection/Connection.py
index 2ea3e3db..69ff1232 100644
--- a/src/Connection/Connection.py
+++ b/src/Connection/Connection.py
@@ -346,6 +346,7 @@ class Connection(object):
 
         if handshake.get("peer_id") == self.server.peer_id:
             self.close("Same peer id, can't connect to myself")
+            self.server.peer_blacklist.append((handshake["target_ip"], handshake["fileserver_port"]))
             return False
 
         self.handshake = handshake