diff --git a/samples/mtom/src/main/resources/log4j.properties b/samples/mtom/src/main/resources/log4j.properties
index 0f73a758..c2be2b68 100644
--- a/samples/mtom/src/main/resources/log4j.properties
+++ b/samples/mtom/src/main/resources/log4j.properties
@@ -1,5 +1,6 @@
 log4j.rootLogger=WARN, stdout
 log4j.logger.org.springframework.ws=DEBUG
+log4j.logger.org.springframework.oxm=DEBUG
 log4j.logger.org.springframework.xml=DEBUG
 
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender