diff --git a/spring-aop/src/main/java/org/springframework/aop/interceptor/AbstractMonitoringInterceptor.java b/spring-aop/src/main/java/org/springframework/aop/interceptor/AbstractMonitoringInterceptor.java
index 494de786e5ac..9ebe3a9dc1ae 100644
--- a/spring-aop/src/main/java/org/springframework/aop/interceptor/AbstractMonitoringInterceptor.java
+++ b/spring-aop/src/main/java/org/springframework/aop/interceptor/AbstractMonitoringInterceptor.java
@@ -103,7 +103,8 @@ protected String createInvocationTraceName(MethodInvocation invocation) {
 		if (this.logTargetClassInvocation && clazz.isInstance(invocation.getThis())) {
 			clazz = invocation.getThis().getClass();
 		}
-		return getPrefix() + clazz.getName() + '.' + method.getName() + getSuffix();
+		String clazzName = clazz.getName();
+		return getPrefix() + clazzName + '.' + method.getName() + getSuffix();
 	}
 
 }