diff --git a/hibernate-core/src/matrix/java/org/hibernate/test/propertyref/cachedcollections/Mappings.hbm.xml b/hibernate-core/src/matrix/java/org/hibernate/test/propertyref/cachedcollections/Mappings.hbm.xml
index 42d04c76dd..19f8f128b5 100644
--- a/hibernate-core/src/matrix/java/org/hibernate/test/propertyref/cachedcollections/Mappings.hbm.xml
+++ b/hibernate-core/src/matrix/java/org/hibernate/test/propertyref/cachedcollections/Mappings.hbm.xml
@@ -24,7 +24,7 @@
 
 <!DOCTYPE hibernate-mapping PUBLIC
     "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
-    "http://hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
 
 <hibernate-mapping package="org.hibernate.test.propertyref.cachedcollections">
 
@@ -46,4 +46,4 @@
         </set>
     </class>
 
-</hibernate-mapping>
\ No newline at end of file
+</hibernate-mapping>