diff --git a/core/src/main/java/org/bitcoinj/core/AbstractBlockChain.java b/core/src/main/java/org/bitcoinj/core/AbstractBlockChain.java
index ea559519e6f..0ecfcfd91c1 100644
--- a/core/src/main/java/org/bitcoinj/core/AbstractBlockChain.java
+++ b/core/src/main/java/org/bitcoinj/core/AbstractBlockChain.java
@@ -531,6 +531,7 @@ private void connectBlock(final Block block, StoredBlock storedPrev, boolean exp
                 final Integer count = versionTally.getCountAtOrAbove(block.getVersion() + 1);
                 if (count != null
                     && count >= params.getMajorityRejectBlockOutdated()) {
+                    log.error("Block with hash {} has outdated version: version # = {}" , block.getHashAsString(), block.getVersion());
                     throw new VerificationException.BlockVersionOutOfDate(block.getVersion());
                 }
             }