diff --git a/spring-integration-core/src/main/java/org/springframework/integration/handler/DelayHandler.java b/spring-integration-core/src/main/java/org/springframework/integration/handler/DelayHandler.java
index 90b44a8b11..79155ca3de 100644
--- a/spring-integration-core/src/main/java/org/springframework/integration/handler/DelayHandler.java
+++ b/spring-integration-core/src/main/java/org/springframework/integration/handler/DelayHandler.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -351,7 +351,7 @@ public class DelayHandler extends AbstractReplyProducingMessageHandler implement
 			return determineDelayFromExpression(message);
 		}
 		else {
-			return defaultDelay;
+			return this.defaultDelay;
 		}
 	}
 
diff --git a/spring-integration-core/src/main/java/org/springframework/integration/handler/LoggingHandler.java b/spring-integration-core/src/main/java/org/springframework/integration/handler/LoggingHandler.java
index cc5ace0c71..11252f4203 100644
--- a/spring-integration-core/src/main/java/org/springframework/integration/handler/LoggingHandler.java
+++ b/spring-integration-core/src/main/java/org/springframework/integration/handler/LoggingHandler.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-integration-core/src/main/java/org/springframework/integration/message/AdviceMessage.java b/spring-integration-core/src/main/java/org/springframework/integration/message/AdviceMessage.java
index 1489c4e603..bd3df7a63f 100644
--- a/spring-integration-core/src/main/java/org/springframework/integration/message/AdviceMessage.java
+++ b/spring-integration-core/src/main/java/org/springframework/integration/message/AdviceMessage.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-integration-core/src/main/java/org/springframework/integration/router/AbstractMappingMessageRouter.java b/spring-integration-core/src/main/java/org/springframework/integration/router/AbstractMappingMessageRouter.java
index 9042e91b7a..ee20673889 100644
--- a/spring-integration-core/src/main/java/org/springframework/integration/router/AbstractMappingMessageRouter.java
+++ b/spring-integration-core/src/main/java/org/springframework/integration/router/AbstractMappingMessageRouter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.