Index: applications/editors/josm/plugins/build-common.xml
===================================================================
--- applications/editors/josm/plugins/build-common.xml	(revision 31589)
+++ applications/editors/josm/plugins/build-common.xml	(revision 31768)
@@ -143,5 +143,5 @@
         </antcall>
         <antcall target="additional-manifest" />
-        <jar destfile="${plugin.jar}" basedir="${plugin.build.dir}" manifest="MANIFEST">
+        <jar destfile="${plugin.jar}" basedir="${plugin.build.dir}" manifest="MANIFEST" manifestencoding="UTF-8">
             <restrict>
                 <not><or>
