diff --git a/spring-messaging/src/main/java/org/springframework/messaging/support/GenericMessage.java b/spring-messaging/src/main/java/org/springframework/messaging/support/GenericMessage.java
index 637378938e..c5186d8351 100644
--- a/spring-messaging/src/main/java/org/springframework/messaging/support/GenericMessage.java
+++ b/spring-messaging/src/main/java/org/springframework/messaging/support/GenericMessage.java
@@ -83,7 +83,7 @@ public class GenericMessage<T> implements Message<T>, Serializable {
 
 	public String toString() {
 		StringBuilder sb = new StringBuilder();
-		if (byte[].class.equals(this.payload.getClass())) {
+		if (this.payload instanceof byte[]) {
 			sb.append("[Payload byte[").append(((byte[]) this.payload).length).append("]]");
 		}
 		else {