diff --git a/monkey/monkey_island/cc/agent_event_handlers/scan_event_handler.py b/monkey/monkey_island/cc/agent_event_handlers/scan_event_handler.py
index 16acca23b..5afcc74a6 100644
--- a/monkey/monkey_island/cc/agent_event_handlers/scan_event_handler.py
+++ b/monkey/monkey_island/cc/agent_event_handlers/scan_event_handler.py
@@ -104,5 +104,5 @@ class ScanEventHandler:
 
         if tcp_connections:
             self._node_repository.upsert_tcp_connections(
-                src_node.machine_id, {target_machine.id: tcp_connections}
+                src_node.machine_id, {target_machine.id: tuple(tcp_connections)}
             )