Index: applications/editors/josm/plugins/ext_tools/build.xml
===================================================================
--- applications/editors/josm/plugins/ext_tools/build.xml	(revision 31603)
+++ applications/editors/josm/plugins/ext_tools/build.xml	(revision 31768)
@@ -59,5 +59,5 @@
             </fileset>
         </copy>
-        <jar destfile="${plugin.jar}" basedir="${plugin.build.dir}">
+        <jar destfile="${plugin.jar}" basedir="${plugin.build.dir}" manifestencoding="UTF-8">
             <!--
         ************************************************