diff --git a/node/overseer/src/tests.rs b/node/overseer/src/tests.rs
index 59a7c3a57e98..2f4fdd1f1e69 100644
--- a/node/overseer/src/tests.rs
+++ b/node/overseer/src/tests.rs
@@ -873,8 +873,9 @@ fn test_network_bridge_tx_msg() -> NetworkBridgeTxMessage {
 fn test_network_bridge_rx_msg() -> NetworkBridgeRxMessage {
 	NetworkBridgeRxMessage::NewGossipTopology {
 		session: SessionIndex::from(0_u32),
-		our_neighbors_x: HashMap::new(),
-		our_neighbors_y: HashMap::new(),
+		local_index: None,
+		canonical_shuffling: Vec::new(),
+		shuffled_indices: Vec::new(),
 	}
 }