diff --git a/classes/deck/deck.gd b/classes/deck/deck.gd
index f946253..88ca228 100644
--- a/classes/deck/deck.gd
+++ b/classes/deck/deck.gd
@@ -156,9 +156,10 @@ func group_nodes(nodes_to_group: Array) -> Deck:
 		var outgoing_connections := node.outgoing_connections.duplicate(true)
 
 		for from_port: int in outgoing_connections:
-			for connection: Dictionary in outgoing_connections[from_port]:
-				if !(connection.keys()[0] in node_ids_to_keep):
-					disconnect_nodes(node._id, connection.keys()[0], from_port, connection.values()[0])
+			for to_node: String in outgoing_connections[from_port]:
+				for to_port: int in outgoing_connections[from_port][to_node]:
+					if !(to_node in node_ids_to_keep):
+						disconnect_nodes(node._id, to_node, from_port, to_port)
 
 		var incoming_connections := node.incoming_connections.duplicate(true)