diff --git a/spring-statemachine-core/src/main/java/org/springframework/statemachine/processor/StateMachineMethodInvokerHelper.java b/spring-statemachine-core/src/main/java/org/springframework/statemachine/processor/StateMachineMethodInvokerHelper.java
index 0938892c..47687886 100644
--- a/spring-statemachine-core/src/main/java/org/springframework/statemachine/processor/StateMachineMethodInvokerHelper.java
+++ b/spring-statemachine-core/src/main/java/org/springframework/statemachine/processor/StateMachineMethodInvokerHelper.java
@@ -357,7 +357,7 @@ public class StateMachineMethodInvokerHelper<T, S, E> extends AbstractExpression
 				}
 			}
 		}
-		else if (org.springframework.util.ClassUtils.isCglibProxyClass(targetClass)) {
+		else if (AopUtils.isCglibProxy(targetClass)) {
 			Class<?> superClass = targetObject.getClass().getSuperclass();
 			if (!Object.class.equals(superClass)) {
 				targetClass = superClass;