diff --git a/core/src/main/java/org/bitcoinj/core/Peer.java b/core/src/main/java/org/bitcoinj/core/Peer.java
index dd77855c..e53b1afd 100644
--- a/core/src/main/java/org/bitcoinj/core/Peer.java
+++ b/core/src/main/java/org/bitcoinj/core/Peer.java
@@ -508,6 +508,8 @@ public class Peer extends PeerSocketHandler {
             processUTXOMessage((UTXOsMessage) m);
         } else if (m instanceof RejectMessage) {
             log.error("{} {}: Received {}", this, getPeerVersionMessage().subVer, m);
+        } else if (m instanceof SendHeadersMessage) {
+            // We ignore this message, because we don't announce new blocks.
         } else {
             log.warn("{}: Received unhandled message: {}", this, m);
         }