diff --git a/node.py b/node.py
index 8a18b2c..2df707d 100644
--- a/node.py
+++ b/node.py
@@ -790,6 +790,10 @@ def handle(self):
                                     send(self.request, "blocknfhb")  # announce we are on hyperblocks
                                 send(self.request, data)
 
+                                if node.peers.warning(self.request, peer_ip, "Forked", 2):
+                                    node.logger.app_log.info(f"{peer_ip} banned")
+                                    break
+
                             else:
                                 node.logger.app_log.info(f"Inbound: Client is at block {client_block}")  # now check if we have any newer
 
diff --git a/worker.py b/worker.py
index 7bb1b59..0386432 100644
--- a/worker.py
+++ b/worker.py
@@ -167,6 +167,9 @@ def worker(host, port, node):
                                 send(s, "blocknfhb")
                             send(s, data)
 
+                            if node.peers.warning(s, peer_ip, "Forked", 1):
+                                raise ValueError(f"{peer_ip} is banned")
+
                         else:
                             node.logger.app_log.warning(
                                 f"Outbound: Node is at block {client_block}")  # now check if we have any newer