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 2dd9c2ab526..5c9c64ae5cd 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
@@ -6839,7 +6839,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver { //
       ClassSize.ARRAY +
       45 * ClassSize.REFERENCE + 2 * Bytes.SIZEOF_INT +
       (12 * Bytes.SIZEOF_LONG) +
-      4 * Bytes.SIZEOF_BOOLEAN);
+      5 * Bytes.SIZEOF_BOOLEAN);
 
   // woefully out of date - currently missing:
   // 1 x HashMap - coprocessorServiceHandlers