diff --git a/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomHandler.java b/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomHandler.java
index aa7b247d..47b30ac7 100644
--- a/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomHandler.java
+++ b/spring-ws-core/src/main/java/org/springframework/ws/soap/axiom/AxiomHandler.java
@@ -43,6 +43,7 @@ import org.springframework.xml.namespace.QNameUtils;
  * AXIOM OMElement to a specified parent element when {@code endDocument} is called.
  * Used for returing {@code SAXResult}s from Axiom elements.
  * @author Arjen Poutsma
+ * @author Tommy Winther
  * @since 1.0.0
  */
 class AxiomHandler implements ContentHandler, LexicalHandler {
@@ -92,6 +93,7 @@ class AxiomHandler implements ContentHandler, LexicalHandler {
 
 	@Override
 	public void endPrefixMapping(String prefix) throws SAXException {
+		currentNamespaceMapping().remove(prefix);
 	}
 
 	@Override
diff --git a/spring-ws-core/src/test/java/org/springframework/ws/soap/axiom/AxiomHandlerTest.java b/spring-ws-core/src/test/java/org/springframework/ws/soap/axiom/AxiomHandlerTest.java
index 6612eade..96c0c7a8 100644
--- a/spring-ws-core/src/test/java/org/springframework/ws/soap/axiom/AxiomHandlerTest.java
+++ b/spring-ws-core/src/test/java/org/springframework/ws/soap/axiom/AxiomHandlerTest.java
@@ -16,6 +16,11 @@
 
 package org.springframework.ws.soap.axiom;
 
+import static org.custommonkey.xmlunit.XMLAssert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.StringReader;
@@ -34,9 +39,6 @@ import org.apache.axiom.om.OMDocument;
 import org.apache.axiom.om.OMElement;
 import org.apache.axiom.om.OMFactory;
 import org.apache.axiom.om.OMNamespace;
-import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
 import org.junit.Before;
 import org.junit.Test;
 import org.w3c.dom.Document;
@@ -65,6 +67,8 @@ public class AxiomHandlerTest {
 	
 	private static final String XML_5_SNIPPET = "<?xml version='1.0' encoding='UTF-8'?>" + "<x:child xmlns:x='namespace1' />";
 
+	private static final String XML_6_SNIPPET = "<?xml version='1.0' encoding='UTF-8'?>" + "<parent xmlns='parent-namespace'><c:first-sibling xmlns:c='child-namespace' /><second-sibling /></parent>";
+
 	private AxiomHandler handler;
 
 	private OMDocument result;
@@ -157,6 +161,32 @@ public class AxiomHandlerTest {
 		assertEquals("namespace1", child.getQName().getNamespaceURI());
 	}
 
+	@Test
+	public void testContentHandlerSiblingPrefixMapping() throws Exception {
+		handler = new AxiomHandler(result, factory);
+		xmlReader.setContentHandler(handler);
+		xmlReader.parse(new InputSource(new StringReader(XML_6_SNIPPET)));
+
+		Iterator<?> it = result.getOMDocumentElement().getChildren();
+		assertTrue(it.hasNext());
+		OMElement firstSibling = (OMElement) it.next();
+		assertEquals("first-sibling", firstSibling.getLocalName());
+		Iterator<?> firstSiblingNsIt = firstSibling.getAllDeclaredNamespaces();
+		// Verify first sibling has a single namespace declaration (with child-namespace URI)
+		assertTrue(firstSiblingNsIt.hasNext());
+		assertEquals("child-namespace", ((OMNamespace) firstSiblingNsIt.next()).getNamespaceURI());
+		assertFalse(firstSiblingNsIt.hasNext());
+
+		assertTrue(it.hasNext());
+		OMElement secondSibling = (OMElement) it.next();
+		// Verify second sibling has no namespace declarations as it's covered by <parent />
+		// This also verifies the child-namespace from the <first-sibling /> element isn't copied to second-sibling
+		assertEquals("second-sibling", secondSibling.getLocalName());
+		Iterator<?> secondSiblingNsIt = secondSibling.getAllDeclaredNamespaces();
+		assertFalse(secondSiblingNsIt.hasNext());
+
+	}
+
 	@Test
 	public void testContentHandlerPredefinedEntityReference() throws Exception {
 		handler = new AxiomHandler(result, factory);