diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index addb9bec25e..44fefb21ac5 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -203,6 +203,8 @@ Release 2.4.0 - UNRELEASED
     YARN-1482. Modified WebApplicationProxy to make it work across ResourceManager
     fail-over. (Xuan Gong via vinodkv)
 
+    YARN-1568. Rename clusterid to clusterId in ActiveRMInfoProto (kasha)
+
   OPTIMIZATIONS
 
   BUG FIXES
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
index 91c80db0c81..e27f12a836a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
@@ -138,6 +138,6 @@ message RMStateVersionProto {
 ///////////// RM Failover related records ////////////////////////
 //////////////////////////////////////////////////////////////////
 message ActiveRMInfoProto {
-  required string clusterid = 1;
+  required string clusterId = 1;
   required string rmId = 2;
 }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/EmbeddedElectorService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/EmbeddedElectorService.java
index 7b164418d34..0c09c2753c5 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/EmbeddedElectorService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/EmbeddedElectorService.java
@@ -172,7 +172,7 @@ public class EmbeddedElectorService extends AbstractService
       throws IOException {
     return YarnServerResourceManagerServiceProtos.ActiveRMInfoProto
         .newBuilder()
-        .setClusterid(clusterId)
+        .setClusterId(clusterId)
         .setRmId(rmId)
         .build()
         .toByteArray();
@@ -198,10 +198,10 @@ public class EmbeddedElectorService extends AbstractService
     }
 
     // Check if the passed proto corresponds to an RM in the same cluster
-    if (!proto.getClusterid().equals(clusterId)) {
+    if (!proto.getClusterId().equals(clusterId)) {
       LOG.error("Mismatched cluster! The other RM seems " +
           "to be from a different cluster. Current cluster = " + clusterId +
-          "Other RM's cluster = " + proto.getClusterid());
+          "Other RM's cluster = " + proto.getClusterId());
       return false;
     }
     return true;