diff --git a/build.xml b/build.xml
index d2a63b9b..51936933 100644
--- a/build.xml
+++ b/build.xml
@@ -82,7 +82,7 @@
   </target>
 	
   <target name="test" >
-    <exec executable="python" dir="test" spawn="true"> 
+    <exec executable="python" dir="test"> 
         <arg value="mqttsas2.py" />
         <arg value="${test.hostname}" />
     </exec>