diff --git a/beacon_node/network/src/network_beacon_processor/gossip_methods.rs b/beacon_node/network/src/network_beacon_processor/gossip_methods.rs
index ac7479db0..323c61207 100644
--- a/beacon_node/network/src/network_beacon_processor/gossip_methods.rs
+++ b/beacon_node/network/src/network_beacon_processor/gossip_methods.rs
@@ -763,9 +763,17 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
                 self.propagate_validation_result(message_id, peer_id, MessageAcceptance::Ignore);
                 return None;
             }
+            Err(BlockError::BlockIsAlreadyKnown) => {
+                debug!(
+                    self.log,
+                    "Gossip block is already known";
+                    "block_root" => %block_root,
+                );
+                self.propagate_validation_result(message_id, peer_id, MessageAcceptance::Ignore);
+                return None;
+            }
             Err(e @ BlockError::FutureSlot { .. })
             | Err(e @ BlockError::WouldRevertFinalizedSlot { .. })
-            | Err(e @ BlockError::BlockIsAlreadyKnown)
             | Err(e @ BlockError::NotFinalizedDescendant { .. }) => {
                 debug!(self.log, "Could not verify block for gossip. Ignoring the block";
                             "error" => %e);