diff --git a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/debug/replicas/chunk/ChunkKeyHandler.java b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/debug/replicas/chunk/ChunkKeyHandler.java
index 91f5e87ca447..95b1a97914b3 100644
--- a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/debug/replicas/chunk/ChunkKeyHandler.java
+++ b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/debug/replicas/chunk/ChunkKeyHandler.java
@@ -196,7 +196,7 @@ protected void execute(OzoneClient client, OzoneAddress address)
               // e.g. for RS-3-2 we will have data indexes 1,2,3 and parity indexes 4,5
               ChunkType chunkType = (replicaIndex > dataCount) ? ChunkType.PARITY : ChunkType.DATA;
               jsonObj.put("chunkType", chunkType.name());
-              jsonObj.put("ecIndex", replicaIndex);
+              jsonObj.put("replicaIndex", replicaIndex);
             }
           }
         } catch (InterruptedException e) {