diff --git a/.jenkins/bin/unattended_install/default_env.sh b/.jenkins/bin/unattended_install/default_env.sh
index e4a9e8c98..e4d18920b 100755
--- a/.jenkins/bin/unattended_install/default_env.sh
+++ b/.jenkins/bin/unattended_install/default_env.sh
@@ -2,5 +2,12 @@
 
 set -x
 
+chmod 666 conf/production/config-itop.php
+
 cd toolkit
-php unattended_install.php default-params.xml
\ No newline at end of file
+php unattended_install.php --response_file=default-params.xml --clean=true
+
+cd ..
+chmod 666 conf/production/config-itop.php
+cp toolkit/default-config-itop.php conf/production/config-itop.php
+chmod 444 conf/production/config-itop.php