diff --git a/beacon_node/lighthouse_network/src/peer_manager/mod.rs b/beacon_node/lighthouse_network/src/peer_manager/mod.rs
index 3459548ec..30b22dd30 100644
--- a/beacon_node/lighthouse_network/src/peer_manager/mod.rs
+++ b/beacon_node/lighthouse_network/src/peer_manager/mod.rs
@@ -916,7 +916,7 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
             {
                 self.max_outbound_dialing_peers()
                     .saturating_sub(dialing_peers)
-                    - peer_count
+                    .saturating_sub(peer_count)
             } else {
                 0
             };