diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/src/test/java/org/springframework/cloud/function/adapter/gcp/FunctionInvokerHttpTests.java b/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/src/test/java/org/springframework/cloud/function/adapter/gcp/FunctionInvokerHttpTests.java
index 8c17106c6..d01e9c46e 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/src/test/java/org/springframework/cloud/function/adapter/gcp/FunctionInvokerHttpTests.java
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-gcp/src/test/java/org/springframework/cloud/function/adapter/gcp/FunctionInvokerHttpTests.java
@@ -186,7 +186,7 @@ public class FunctionInvokerHttpTests {
 			return (in) -> {
 				return MessageBuilder
 						.withPayload(new OutgoingResponse("Thank you for sending the message: " + in.message))
-						.setHeader("statusCode", "bar").build();
+						.setHeader("foo", "bar").build();
 			};
 		}
 	}