diff --git a/spring-ws-core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java b/spring-ws-core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
index bde4919b..7ed435e0 100644
--- a/spring-ws-core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
+++ b/spring-ws-core/src/test/java/org/springframework/ws/soap/soap12/AbstractSoap12MessageTestCase.java
@@ -20,6 +20,8 @@ import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.soap.MessageFactory;
+import javax.xml.soap.SOAPMessage;
 import javax.xml.transform.dom.DOMResult;
 import javax.xml.transform.stream.StreamSource;
 
@@ -30,6 +32,7 @@ import org.springframework.core.io.Resource;
 import org.springframework.ws.soap.AbstractSoapMessageTestCase;
 import org.springframework.ws.soap.SoapBody;
 import org.springframework.ws.soap.SoapVersion;
+import org.springframework.ws.soap.saaj.SaajSoapMessage;
 import org.springframework.ws.transport.MockTransportOutputStream;
 import org.springframework.ws.transport.TransportConstants;
 import org.springframework.xml.transform.StringSource;
@@ -74,7 +77,12 @@ public abstract class AbstractSoap12MessageTestCase extends AbstractSoapMessageT
 		        contentType.contains(SoapVersion.SOAP_12.getContentType()));
         assertNull(TransportConstants.HEADER_SOAP_ACTION + " header must not be found",
                 tos.getHeaders().get(TransportConstants.HEADER_SOAP_ACTION));
-        assertTrue("Invalid Content-Type set: " + contentType, contentType.contains(soapAction));
+	    String l = "";
+	    if (soapMessage instanceof SaajSoapMessage) {
+		    MessageFactory messageFactory = MessageFactory.newInstance("SOAP_1_2_PROTOCOL");
+		    l = messageFactory.getClass().getName();
+	    }
+        assertTrue("Invalid Content-Type set: " + contentType + " " + l, contentType.contains(soapAction));
         String resultAccept = tos.getHeaders().get("Accept");
         assertNotNull("Invalid accept header", resultAccept);
     }