diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/MessageDeduplication.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/MessageDeduplication.java
index a4879f2e9520a..e8d19d2e2eca1 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/MessageDeduplication.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/MessageDeduplication.java
@@ -470,7 +470,8 @@ public void markDeleteComplete(Object ctx) {
 
             @Override
             public void markDeleteFailed(ManagedLedgerException exception, Object ctx) {
-                log.warn("[{}] Failed to store new deduplication snapshot at {}", topic.getName(), position);
+                log.warn("[{}] Failed to store new deduplication snapshot at {}",
+                        topic.getName(), position, exception);
                 snapshotTaking.set(false);
                 future.completeExceptionally(exception);
             }