Index: /applications/viewer/jmapviewer/build.xml
===================================================================
--- /applications/viewer/jmapviewer/build.xml	(revision 27860)
+++ /applications/viewer/jmapviewer/build.xml	(revision 27861)
@@ -13,5 +13,5 @@
 
 	<target name="build">
-		<javac srcdir="src" destdir="bin" target="1.5" debug="true">
+		<javac srcdir="src" destdir="bin" source="1.5" target="1.5" debug="true" includeantruntime="false">
 			<include name="org/openstreetmap/gui/jmapviewer/**" />
 		</javac>