diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ClusterMetricsInfo.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ClusterMetricsInfo.java
index 84f70d9f2b6..69d88aacca7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ClusterMetricsInfo.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/ClusterMetricsInfo.java
@@ -101,7 +101,7 @@ public class ClusterMetricsInfo {
       CapacityScheduler cs = (CapacityScheduler) rs;
       this.totalMB = availableMB + allocatedMB + reservedMB;
       this.totalVirtualCores =
-          availableVirtualCores + allocatedVirtualCores + containersReserved;
+          availableVirtualCores + allocatedVirtualCores + reservedVirtualCores;
       // TODO, add support of other schedulers to get total used resources
       // across partition.
       if (cs.getRootQueue() != null