Index: applications/editors/josm/plugins/build-common.xml
===================================================================
--- applications/editors/josm/plugins/build-common.xml	(revision 34704)
+++ applications/editors/josm/plugins/build-common.xml	(revision 34705)
@@ -187,4 +187,9 @@
         </antcall>
         <antcall target="add-manifest-attribute">
+            <param name="manifest.attribute" value="Plugin-Provides"/>
+            <param name="property.name" value="plugin.provides"/>
+            <param name="property.value" value="${plugin.provides}"/>
+        </antcall>
+        <antcall target="add-manifest-attribute">
             <param name="manifest.attribute" value="Plugin-Requires"/>
             <param name="property.name" value="plugin.requires"/>
Index: applications/editors/josm/plugins/javafx/build.xml
===================================================================
--- applications/editors/josm/plugins/javafx/build.xml	(revision 34704)
+++ applications/editors/josm/plugins/javafx/build.xml	(revision 34705)
@@ -36,5 +36,5 @@
             <copy file="MANIFEST" tofile="@{manifest}" />
             <manifest file="@{manifest}" mode="update">
-                <attribute name="Plugin-Class" value="${property.value}" />
+                <attribute name="Plugin-Class" value="@{class}" />
                 <attribute name="Plugin-Platform" value="@{platform}" />
             </manifest>