diff --git a/data-generator-plugin/src/main/java/it/cavallium/data/generator/plugin/classgen/GenDataSuperX.java b/data-generator-plugin/src/main/java/it/cavallium/data/generator/plugin/classgen/GenDataSuperX.java
index a03f3b4..20ba68b 100644
--- a/data-generator-plugin/src/main/java/it/cavallium/data/generator/plugin/classgen/GenDataSuperX.java
+++ b/data-generator-plugin/src/main/java/it/cavallium/data/generator/plugin/classgen/GenDataSuperX.java
@@ -41,9 +41,10 @@ public class GenDataSuperX extends ClassGenerator {
 			classBuilder.addSuperinterface(iTypeClass);
 		});
 
-		dataModel.getExtendsInterfaces(typeSuper).distinct().forEach(superType -> {
-			classBuilder.addSuperinterface(superType.getJTypeName(basePackageName));
-		});
+		Stream
+				.concat(dataModel.getSuperTypesOf(typeSuper, true), dataModel.getExtendsInterfaces(typeSuper))
+				.distinct()
+				.forEach(superType -> classBuilder.addSuperinterface(superType.getJTypeName(basePackageName)));
 
 		Stream
 				.concat(dataModel.getCommonInterfaceData(typeSuper), dataModel.getCommonInterfaceGetters(typeSuper))
@@ -71,10 +72,6 @@ public class GenDataSuperX extends ClassGenerator {
 			classBuilder.addMethod(setter.build());
 		});
 
-		dataModel.getSuperTypesOf(typeSuper, true).forEach(superType -> {
-			classBuilder.addSuperinterface(superType.getJTypeName(basePackageName));
-		});
-
 		classBuilder.addMethod(MethodSpec
 				.methodBuilder("getMetaId$" + typeSuper.getName())
 				.addModifiers(Modifier.PUBLIC, Modifier.ABSTRACT)