diff --git a/src/main/java/gr/gousiosg/javacg/dyn/Instrumenter.java b/src/main/java/gr/gousiosg/javacg/dyn/Instrumenter.java
index f04690c..2fbc698 100644
--- a/src/main/java/gr/gousiosg/javacg/dyn/Instrumenter.java
+++ b/src/main/java/gr/gousiosg/javacg/dyn/Instrumenter.java
@@ -101,7 +101,7 @@ public class Instrumenter implements ClassFileTransformer {
instrumentation.addTransformer(new Instrumenter());
}
- public byte[] transform(ClassLoader loader, String className, Class clazz,
+ public byte[] transform(ClassLoader loader, String className, Class<?> clazz,
java.security.ProtectionDomain domain, byte[] bytes) {
boolean enhanceClass = false;