Index: applications/editors/josm/plugins/utilsplugin2/build.xml
===================================================================
--- applications/editors/josm/plugins/utilsplugin2/build.xml	(revision 27750)
+++ applications/editors/josm/plugins/utilsplugin2/build.xml	(revision 27751)
@@ -43,4 +43,5 @@
     <property name="plugin.dist.dir" value="../../dist"/>
     <property name="ant.build.javac.target" value="1.5"/>
+    <property name="ant.build.javac.source" value="1.5"/>
     <property name="plugin.dist.dir" value="../../dist"/>
     <property name="plugin.jar" value="${plugin.dist.dir}/${ant.project.name}.jar"/>