diff --git a/net/tipc/node.c b/net/tipc/node.c
index 7bc45e1..1534259 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -112,6 +112,7 @@
 	}
 	list_add_tail(&n_ptr->list, &temp_node->list);
 	n_ptr->block_setup = WAIT_PEER_DOWN;
+	n_ptr->signature = INVALID_NODE_SIG;
 
 	tipc_num_nodes++;