diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
index 2b16a65b1c4..44a91c12287 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
@@ -2410,6 +2410,10 @@ private void evictBlocks() throws IOException {
         LazyWriteReplicaTracker.ReplicaState replicaState =
             lazyWriteReplicaTracker.getNextCandidateForEviction();
 
+        if (replicaState == null) {
+          break;
+        }
+
         if (LOG.isDebugEnabled()) {
           LOG.debug("Evicting block " + replicaState);
         }