Index: applications/editors/josm/plugins/build-common.xml
===================================================================
--- applications/editors/josm/plugins/build-common.xml	(revision 34872)
+++ applications/editors/josm/plugins/build-common.xml	(revision 34873)
@@ -32,4 +32,5 @@
     <property name="plugin.dist.dir"        location="../../dist"/>
     <property name="java.lang.version"      value="1.8" />
+    <property name="javadoc.executable"     value="javadoc" />
     <property name="manifest"               value="MANIFEST"/>
     <property name="manifest.unixoid"       value="MANIFEST-unixoid"/>
@@ -264,4 +265,5 @@
     <target name="javadoc">
         <javadoc destdir="${plugin.doc.dir}"
+                executable="${javadoc.executable}"
                 encoding="UTF-8"
                 windowtitle="JOSM-${ant.project.name}"