diff --git a/pom.xml b/pom.xml
index 091d577a5..c554ddd4c 100755
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>net.openhft</groupId>
             <artifactId>chronicle-values</artifactId>
-            <version>1.0.5-alpha</version>
+            <version>1.0.6-alpha-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/src/main/java/net/openhft/chronicle/hash/serialization/impl/SerializationBuilder.java b/src/main/java/net/openhft/chronicle/hash/serialization/impl/SerializationBuilder.java
index 5ada6e67d..69eca0654 100644
--- a/src/main/java/net/openhft/chronicle/hash/serialization/impl/SerializationBuilder.java
+++ b/src/main/java/net/openhft/chronicle/hash/serialization/impl/SerializationBuilder.java
@@ -55,7 +55,7 @@ public final class SerializationBuilder<T> implements Cloneable {
     @SuppressWarnings("unchecked")
     private void configureByDefault(Class<T> tClass) {
 
-        if (tClass.isInterface()) {
+        if (tClass.isInterface() && Values.isValueInterfaceOrImplClass(tClass)) {
             try {
                 // Acquire a model before assigning readers/writers
                 // if the interface is not
diff --git a/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java b/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
index 8b7c65df8..4796fbf9b 100755
--- a/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
+++ b/src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
@@ -37,6 +37,7 @@ import net.openhft.chronicle.map.replication.MapRemoteOperations;
 import net.openhft.chronicle.set.ChronicleSetBuilder;
 import net.openhft.chronicle.threads.NamedThreadFactory;
 import net.openhft.chronicle.values.ValueModel;
+import net.openhft.chronicle.values.Values;
 import net.openhft.chronicle.wire.TextWire;
 import net.openhft.chronicle.wire.Wire;
 import org.jetbrains.annotations.NotNull;
@@ -787,7 +788,11 @@ public final class ChronicleMapBuilder<K, V> implements
         if (alignment != UNDEFINED_ALIGNMENT_CONFIG)
             return alignment;
         try {
-            return ValueModel.acquire(valueBuilder.tClass).recommendedOffsetAlignment();
+            if (Values.isValueInterfaceOrImplClass(valueBuilder.tClass)) {
+                return ValueModel.acquire(valueBuilder.tClass).recommendedOffsetAlignment();
+            } else {
+                return NO_ALIGNMENT;
+            }
         } catch (Exception e) {
             return NO_ALIGNMENT;
         }