diff --git a/src/org/atriasoft/exml/generator/GeneratorIntrospection.java b/src/org/atriasoft/exml/generator/GeneratorIntrospection.java
index 032ed51..f82704e 100644
--- a/src/org/atriasoft/exml/generator/GeneratorIntrospection.java
+++ b/src/org/atriasoft/exml/generator/GeneratorIntrospection.java
@@ -4,6 +4,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.atriasoft.etk.util.ArraysTools;
+
 import org.atriasoft.eStringSerialize.StringSerializer;
 import org.atriasoft.exml.builder.IntrospectionModel;
 import org.atriasoft.exml.builder.IntrospectionModelFactory;
@@ -91,7 +93,7 @@ public class GeneratorIntrospection implements Generator {
 			if (type.isArray()) {
 				Class<?> typeClass = elem.getType().componentType();
 				if (typeClass.isPrimitive()) {
-					dataString = StringSerializer.toString(dataObj);
+					dataString = ArraysTools.primitivaArrayToSting(dataObj);
 				} else {
 					IntrospectionModel introspectionSub = findOrCreate(ModelType.NORMAL, null, typeClass);
 					dataString = autoArrayToString(typeClass, dataObj, introspectionSub);