diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServer.java
index 938c23633128..41d333e4b2c5 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionServer.java
@@ -224,7 +224,7 @@ public void updateFlush(String table, long t, long memstoreSize, long fileSize)
     serverSource.updateFlushOutputSize(fileSize);
 
     if (table != null) {
-      metricsTable.updateFlushTime(table, memstoreSize);
+      metricsTable.updateFlushTime(table, t);
       metricsTable.updateFlushMemstoreSize(table, memstoreSize);
       metricsTable.updateFlushOutputSize(table, fileSize);
     }