Index: magnolia-core/src/main/java/info/magnolia/cms/filters/CosMultipartRequestFilter.java
===================================================================
--- magnolia-core/src/main/java/info/magnolia/cms/filters/CosMultipartRequestFilter.java	(revision 34619)
+++ magnolia-core/src/main/java/info/magnolia/cms/filters/CosMultipartRequestFilter.java	(working copy)
@@ -56,7 +56,7 @@
  * @author Sameer Charles
  * @version $Id$
  */
-public class CosMultipartRequestFilter extends AbstractMgnlFilter {
+public class CosMultipartRequestFilter extends OncePerRequestAbstractMgnlFilter {
 
     /**
      * Max file upload size.
Index: magnolia-core/src/main/java/info/magnolia/cms/filters/MultipartRequestFilter.java
===================================================================
--- magnolia-core/src/main/java/info/magnolia/cms/filters/MultipartRequestFilter.java	(revision 34619)
+++ magnolia-core/src/main/java/info/magnolia/cms/filters/MultipartRequestFilter.java	(working copy)
@@ -73,7 +73,7 @@
  * @author Fabrizio Giustina
  * @version $Id$
  */
-public class MultipartRequestFilter extends AbstractMgnlFilter {
+public class MultipartRequestFilter extends OncePerRequestAbstractMgnlFilter {
     private static final Logger log = LoggerFactory.getLogger(MultipartRequestFilter.class);
 
     /**