3 files changed, 5 insertions, 3 deletions
diff --git a/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerationException.java b/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerationException.java
index 444de32..3006e78 100644
--- a/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerationException.java
+++ b/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerationException.java
@@ -1,6 +1,8 @@
 package au.id.zancanaro.javacheck.object;
 
 public class ObjectGenerationException extends RuntimeException {
+    private static final long serialVersionUID = 1L;
+    
     public ObjectGenerationException(String message) {
         super(message);
     }
diff --git a/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerator.java b/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerator.java
index a31d990..f518a56 100644
--- a/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerator.java
+++ b/src/main/java/au/id/zancanaro/javacheck/object/ObjectGenerator.java
@@ -77,9 +77,9 @@ public class ObjectGenerator<T> implements Generator<T> {
 
     @Override
     public ShrinkTree<T> generate(Random random, int size) {
-        Generator<?>[] parameters = new Generator[constructorGenerators.size()];
+        Generator<?>[] parameters = new Generator<?>[constructorGenerators.size()];
         parameters = constructorGenerators.toArray(parameters);
-        Generator<?>[] fields = new Generator[fieldGenerators.size()];
+        Generator<?>[] fields = new Generator<?>[fieldGenerators.size()];
         fields = fieldGenerators.values().toArray(fields);
         return Generator.tuple(Generator.tuple(parameters), Generator.tuple(fields))
                 .generate(random, size)
diff --git a/src/main/java/au/id/zancanaro/javacheck/object/UseGenerator.java b/src/main/java/au/id/zancanaro/javacheck/object/UseGenerator.java
index f62d978..188416f 100644
--- a/src/main/java/au/id/zancanaro/javacheck/object/UseGenerator.java
+++ b/src/main/java/au/id/zancanaro/javacheck/object/UseGenerator.java
@@ -10,5 +10,5 @@ import java.lang.annotation.Target;
 @Target({ElementType.FIELD, ElementType.PARAMETER})
 @Retention(RetentionPolicy.RUNTIME)
 public @interface UseGenerator {
-    Class<? extends Generator> value();
+    Class<? extends Generator<?>> value();
 }