diff --git a/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java b/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
index 33497f985..7c6d575fa 100644
--- a/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
+++ b/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
@@ -386,6 +386,11 @@ final class ReplicatedChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? supe
             entry.writeBoolean(replicationBytesOffset + 9L, false);
         }
 
+        @Override
+        long sizeOfEverythingBeforeValue(long keySize, long valueSize) {
+            return super.sizeOfEverythingBeforeValue(keySize, valueSize) + ADDITIONAL_ENTRY_BYTES;
+        }
+
         @Override
         boolean put0() {
             try {