diff --git a/core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapMessage.java b/core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapMessage.java
index f8a534a3..026c564d 100644
--- a/core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapMessage.java
+++ b/core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapMessage.java
@@ -232,13 +232,17 @@ public class AxiomSoapMessage extends AbstractSoapMessage {
                     String charsetEncoding = axiomMessage.getCharsetEncoding();
                     contentType += "; charset=" + charsetEncoding;
                 }
-                if (SoapVersion.SOAP_11 == getVersion()) {
+                SoapVersion version = getVersion();
+                if (SoapVersion.SOAP_11 == version) {
                     transportOutputStream.addHeader(TransportConstants.HEADER_SOAP_ACTION, soapAction);
+                    transportOutputStream.addHeader(TransportConstants.HEADER_ACCEPT, version.getContentType());
                 }
-                else if (SoapVersion.SOAP_12 == getVersion()) {
+                else if (SoapVersion.SOAP_12 == version) {
                     contentType += "; action=" + soapAction;
+                    transportOutputStream.addHeader(TransportConstants.HEADER_ACCEPT, version.getContentType());
                 }
                 transportOutputStream.addHeader(TransportConstants.HEADER_CONTENT_TYPE, contentType);
+
             }
             if (!(outputFormat.isOptimized()) & outputFormat.isDoingSWA()) {
                 writeSwAMessage(outputStream, outputFormat);
diff --git a/core/src/main/java/org/springframework/ws/soap/saaj/SaajSoapMessage.java b/core/src/main/java/org/springframework/ws/soap/saaj/SaajSoapMessage.java
index 1a299035..8ec092f7 100644
--- a/core/src/main/java/org/springframework/ws/soap/saaj/SaajSoapMessage.java
+++ b/core/src/main/java/org/springframework/ws/soap/saaj/SaajSoapMessage.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006 the original author or authors.
+ * Copyright 2002-2009 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.
@@ -155,6 +155,10 @@ public class SaajSoapMessage extends AbstractSoapMessage {
     }
 
     public void writeTo(OutputStream outputStream) throws IOException {
+        MimeHeaders mimeHeaders = getImplementation().getMimeHeaders(getSaajMessage());
+        if (ObjectUtils.isEmpty(mimeHeaders.getHeader(TransportConstants.HEADER_ACCEPT))) {
+            mimeHeaders.setHeader(TransportConstants.HEADER_ACCEPT, getVersion().getContentType());
+        }
         try {
             getImplementation().writeTo(getSaajMessage(), outputStream);
             outputStream.flush();
diff --git a/core/src/main/java/org/springframework/ws/transport/TransportConstants.java b/core/src/main/java/org/springframework/ws/transport/TransportConstants.java
index e452f431..76a9e583 100644
--- a/core/src/main/java/org/springframework/ws/transport/TransportConstants.java
+++ b/core/src/main/java/org/springframework/ws/transport/TransportConstants.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2007 the original author or authors.
+ * Copyright 2002-2009 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.
@@ -24,6 +24,9 @@ package org.springframework.ws.transport;
  */
 public interface TransportConstants {
 
+    /** The "Accept" header. */
+    String HEADER_ACCEPT = "Accept";
+
     /** The "Content-Id" header. */
     String HEADER_CONTENT_ID = "Content-Id";
 
@@ -42,8 +45,6 @@ public interface TransportConstants {
     /** The "action" parameter, used to set SOAP Actions in SOAP 1.2. */
     String PARAMETER_ACTION = "action";
 
-    /**
-     * The empty SOAP action value.
-     */
+    /** The empty SOAP action value. */
     String EMPTY_SOAP_ACTION = "\"\"";
 }
diff --git a/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageTestCase.java b/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageTestCase.java
index 016a252d..fef8884a 100644
--- a/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageTestCase.java
+++ b/core/src/test/java/org/springframework/ws/soap/soap11/AbstractSoap11MessageTestCase.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006 the original author or authors.
+ * Copyright 2002-2009 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.
@@ -58,6 +58,8 @@ public abstract class AbstractSoap11MessageTestCase extends AbstractSoapMessageT
         assertTrue("Invalid Content-Type set", contentType.indexOf(SoapVersion.SOAP_11.getContentType()) != -1);
         String resultSoapAction = (String) tos.getHeaders().get("SOAPAction");
         assertEquals("Invalid soap action", "\"" + soapAction + "\"", resultSoapAction);
+        String resultAccept = (String) tos.getHeaders().get("Accept");
+        assertNotNull("Invalid accept header", resultAccept);
     }
 
     public void testWriteToTransportResponseAttachment() throws Exception {
diff --git a/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java b/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
index b69245c8..709eb54d 100644
--- a/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
+++ b/core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006 the original author or authors.
+ * Copyright 2002-2009 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.
@@ -58,8 +58,11 @@ public abstract class AbstractSoap12MessageTestCase extends AbstractSoapMessageT
                 result);
         String contentType = (String) tos.getHeaders().get(TransportConstants.HEADER_CONTENT_TYPE);
         assertTrue("Invalid Content-Type set", contentType.indexOf(SoapVersion.SOAP_12.getContentType()) != -1);
-        assertNull(TransportConstants.HEADER_SOAP_ACTION + " header must not be found", tos.getHeaders().get(TransportConstants.HEADER_SOAP_ACTION));
+        assertNull(TransportConstants.HEADER_SOAP_ACTION + " header must not be found",
+                tos.getHeaders().get(TransportConstants.HEADER_SOAP_ACTION));
         assertTrue("Invalid Content-Type set", contentType.indexOf(soapAction) != -1);
+        String resultAccept = (String) tos.getHeaders().get("Accept");
+        assertNotNull("Invalid accept header", resultAccept);
     }
 
     public void testWriteToTransportResponseAttachment() throws Exception {
@@ -74,5 +77,5 @@ public abstract class AbstractSoap12MessageTestCase extends AbstractSoapMessageT
         assertTrue("Content-Type for attachment message does not contains type=\"application/soap+xml\"",
                 contentType.indexOf("type=\"application/soap+xml\"") != -1);
     }
-    
+
 }