diff --git a/build.xml b/build.xml
index 24e8b4fa725e6dde6779c2b318df17915f8cb5e6..5f7b667a1114fcf7cd93f304ab629b76727a8a51 100644
--- a/build.xml
+++ b/build.xml
@@ -287,7 +287,6 @@ POSSIBILITY OF SUCH DAMAGE.
                 showduration="5000"/>
         <java classname="${main.class}"
               classpathref="runtime.classpath"
-              dir="${viskit.dir}"
               fork="true">
 	    <jvmarg line="${run.args}"/>
             <arg value="${assy.file}"/>