diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
index d6c9561c01a..653cafe54df 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
@@ -7419,7 +7419,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver { //
       ClassSize.OBJECT +
       ClassSize.ARRAY +
       45 * ClassSize.REFERENCE + 2 * Bytes.SIZEOF_INT +
-      (13 * Bytes.SIZEOF_LONG) +
+      (14 * Bytes.SIZEOF_LONG) +
       5 * Bytes.SIZEOF_BOOLEAN);
 
   // woefully out of date - currently missing: