diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/StripedBlockUtil.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/StripedBlockUtil.java
index 896ebc62b89..9e245766bfb 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/StripedBlockUtil.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/StripedBlockUtil.java
@@ -575,7 +575,7 @@ private static void prepareAllZeroChunks(LocatedStripedBlock blockGroup,
    * TODO: consider parity cells
    */
   @VisibleForTesting
-  static class StripingCell {
+  public static class StripingCell {
     final ErasureCodingPolicy ecPolicy;
     /** Logical order in a block group, used when doing I/O to a block group. */
     final int idxInBlkGroup;