diff --git a/jenkins-on-ubuntu/jenkSlaveInstall.sh b/jenkins-on-ubuntu/jenkSlaveInstall.sh
index 78c2d0a..3cce654 100644
--- a/jenkins-on-ubuntu/jenkSlaveInstall.sh
+++ b/jenkins-on-ubuntu/jenkSlaveInstall.sh
@@ -27,5 +27,5 @@ wget http://$MASTERNODE:8080/jnlpJars/slave.jar -O ~/slave.jar
 chmod 777 ~/slave.jar
 
 echo "Executing slave.jar with http://$MASTERNODE:8080/computer/$SLAVENODE/slave-agent.jnlp"
-sudo java -jar ~/slave.jar -jnlpUrl http://$MASTERNODE:8080/computer/$SLAVENODE/slave-agent.jnlp
+su -c "java -jar ~/slave.jar -jnlpUrl http://$MASTERNODE:8080/computer/$SLAVENODE/slave-agent.jnlp"