diff --git a/pom.xml b/pom.xml
index 7a5d51d01..fcb972b41 100755
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>chronicle-map</artifactId>
-    <version>2.1.18-SNAPSHOT</version>
+    <version>2.2.0-SNAPSHOT</version>
     <name>OpenHFT/Chronicle-Map</name>
     <description>Chronicle-Map</description>
 
@@ -48,9 +48,7 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
-
-
-
+            
         </dependencies>
 
     </dependencyManagement>
diff --git a/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java b/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
index 8a248387a..a0ec91d58 100755
--- a/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
+++ b/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
@@ -1271,6 +1271,7 @@ public class ChronicleMapBuilder<K, V> implements Cloneable,
                     VanillaChronicleMap<K, ?, ?, V, ?, ?> map =
                             (VanillaChronicleMap<K, ?, ?, V, ?, ?>) m;
                     map.headerSize = roundUpMapHeaderSize(fis.getChannel().position());
+                    map.initTransients(this);
                     map.createMappedStoreAndSegments(file);
                     // This is needed to property initialize key and value serialization builders,
                     // which are later used in replication
diff --git a/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java b/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
index 4feab8ea4..ced3e16c2 100644
--- a/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
+++ b/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
@@ -144,8 +144,8 @@ final class ReplicatedChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? supe
     }
 
     @Override
-    void initTransients() {
-        super.initTransients();
+    void initTransients(ChronicleMapBuilder<K, V> kvChronicleMapBuilder) {
+        super.initTransients(kvChronicleMapBuilder);
 
         closeables = new CopyOnWriteArraySet<Closeable>();
     }
diff --git a/src/main/java/net/openhft/chronicle/map/VanillaChronicleMap.java b/src/main/java/net/openhft/chronicle/map/VanillaChronicleMap.java
index eced71de7..cc99e5e21 100755
--- a/src/main/java/net/openhft/chronicle/map/VanillaChronicleMap.java
+++ b/src/main/java/net/openhft/chronicle/map/VanillaChronicleMap.java
@@ -88,19 +88,21 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
     final int actualSegments;
     final long actualChunksPerSegment;
     final long entriesPerSegment;
-    final MapEventListener<K, V> eventListener;
-    final BytesMapEventListener bytesEventListener;
-    // if set the ReturnsNull fields will cause some functions to return NULL
-    // rather than as returning the Object can be expensive for something you probably don't use.
-    final boolean putReturnsNull;
-    final boolean removeReturnsNull;
     final Class nativeValueClass;
     final MultiMapFactory multiMapFactory;
     final int maxChunksPerEntry;
     private final long lockTimeOutNS;
-    private final ChronicleHashErrorListener errorListener;
     private final int segmentHeaderSize;
     private final HashSplitting hashSplitting;
+
+    transient MapEventListener<K, V> eventListener;
+    transient BytesMapEventListener bytesEventListener;
+    // if set the ReturnsNull fields will cause some functions to return NULL
+    // rather than as returning the Object can be expensive for something you probably don't use.
+    transient boolean putReturnsNull;
+    transient boolean removeReturnsNull;
+    transient ChronicleHashErrorListener errorListener;
+
     transient Provider<BytesReader<K>> keyReaderProvider;
     transient Provider<KI> keyInteropProvider;
     transient Provider<BytesReader<V>> valueReaderProvider;
@@ -184,7 +186,6 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
                 greatestCommonDivisor((int) chunkSize, alignment) != alignment;
         this.specialEntrySpaceOffset = builder.specialEntrySpaceOffset(replicated);
 
-        this.errorListener = builder.errorListener();
         this.putReturnsNull = builder.putReturnsNull();
         this.removeReturnsNull = builder.removeReturnsNull();
 
@@ -193,13 +194,11 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
         this.entriesPerSegment = builder.entriesPerSegment(replicated);
         this.multiMapFactory = builder.multiMapFactory(replicated);
         this.metaDataBytes = builder.metaDataBytes();
-        this.eventListener = builder.eventListener();
-        this.bytesEventListener = builder.bytesEventListener();
         this.segmentHeaderSize = builder.segmentHeaderSize(replicated);
         this.maxChunksPerEntry = builder.maxChunksPerEntry();
 
         hashSplitting = HashSplitting.Splitting.forSegments(actualSegments);
-        initTransients();
+        initTransients(builder);
     }
 
     static <T> T newInstance(Class<T> aClass, boolean isKey) {
@@ -266,7 +265,15 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
         return hashSplitting.segmentIndex(hash);
     }
 
-    void initTransients() {
+    void initTransients(ChronicleMapBuilder<K, V> builder) {
+        if (builder != null) {
+            this.eventListener = builder.eventListener();
+            this.errorListener = builder.errorListener();
+            this.putReturnsNull = builder.putReturnsNull();
+            this.removeReturnsNull = builder.removeReturnsNull();
+            this.bytesEventListener = builder.bytesEventListener();
+        }
+
         keyReaderProvider = Provider.of((Class) originalKeyReader.getClass());
         keyInteropProvider = Provider.of((Class) originalKeyInterop.getClass());
 
@@ -353,7 +360,7 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
 
     private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
         in.defaultReadObject();
-        initTransients();
+        initTransients(null);
     }
 
     /**