diff --git a/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeader.java b/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeader.java
index 8eadc40b..2f62f3b0 100644
--- a/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeader.java
+++ b/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeader.java
@@ -114,9 +114,9 @@ abstract class AxiomSoapHeader extends AxiomSoapElement implements SoapHeader {
 
 	protected class AxiomSoapHeaderElementIterator implements Iterator<SoapHeaderElement> {
 
-		private final Iterator<SOAPHeaderBlock> axiomIterator;
+		private final Iterator<? extends OMElement> axiomIterator;
 
-		protected AxiomSoapHeaderElementIterator(Iterator<SOAPHeaderBlock> axiomIterator) {
+		protected AxiomSoapHeaderElementIterator(Iterator<? extends OMElement> axiomIterator) {
 			this.axiomIterator = axiomIterator;
 		}
 
@@ -128,7 +128,7 @@ abstract class AxiomSoapHeader extends AxiomSoapElement implements SoapHeader {
 		@Override
 		public SoapHeaderElement next() {
 			try {
-				SOAPHeaderBlock axiomHeaderBlock = axiomIterator.next();
+				OMElement axiomHeaderBlock = axiomIterator.next();
 				return new AxiomSoapHeaderElement(axiomHeaderBlock, getAxiomFactory());
 			}
 			catch (OMException ex) {
diff --git a/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeaderElement.java b/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeaderElement.java
index 1ff1e202..6bb983e8 100644
--- a/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeaderElement.java
+++ b/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomSoapHeaderElement.java
@@ -18,6 +18,7 @@ package org.springframework.ws.soap.axiom;
 
 import javax.xml.transform.Result;
 
+import org.apache.axiom.om.OMElement;
 import org.apache.axiom.om.OMException;
 import org.apache.axiom.soap.SOAPFactory;
 import org.apache.axiom.soap.SOAPHeaderBlock;
@@ -27,7 +28,7 @@ import org.springframework.ws.soap.SoapHeaderElement;
 /** Axiom-specific version of {@code org.springframework.ws.soap.SoapHeaderHeaderElement}. */
 class AxiomSoapHeaderElement extends AxiomSoapElement implements SoapHeaderElement {
 
-	public AxiomSoapHeaderElement(SOAPHeaderBlock axiomHeaderBlock, SOAPFactory axiomFactory) {
+	public AxiomSoapHeaderElement(OMElement axiomHeaderBlock, SOAPFactory axiomFactory) {
 		super(axiomHeaderBlock, axiomFactory);
 	}