Index: applications/editors/josm/plugins/validator/build.xml
===================================================================
--- applications/editors/josm/plugins/validator/build.xml	(revision 10535)
+++ applications/editors/josm/plugins/validator/build.xml	(revision 10536)
@@ -21,5 +21,5 @@
   <target name="compile" depends="init">
     <echo message="creating ${plugin.jar}"/>
-    <javac srcdir="src" classpath="${josm}" destdir="build" debug="true">
+    <javac srcdir="src" classpath="${josm}" destdir="build" debug="true" encoding="UTF-8">
       <include name="**/*.java" />
     </javac>