diff --git a/Makefile b/Makefile
index 3b3bb6d4fba56a73953fbb0cc6efd72f018e3b04..8138dd7a926398e8491714f7ca59e648e9b642ae 100644
--- a/Makefile
+++ b/Makefile
@@ -78,7 +78,7 @@ distclean: clean
 	dnx_profile.xls ExLibMessageFile.properties LICENSE.txt manifest.txt
 
 %.class: %.java
-	${JAVAPATH}/javac -classpath ${CLASSPATH}:${JUNITCLASSPATH} $< 
+	${JAVAPATH}/javac -classpath ${CLASSPATH}:${JUNITCLASSPATH} -Xlint:deprecation $< 
 
 doc: $(SOURCES)
 	javadoc -d doc/ $^