diff --git a/var/www/setup_chroot.sh b/var/www/setup_chroot.sh
index 6058b2a..e82d258 100755
--- a/var/www/setup_chroot.sh
+++ b/var/www/setup_chroot.sh
@@ -155,6 +155,12 @@ DIRECTORIES_GENERAL=(
 ### test variables/parameters
 test "$CHROOT_DIRECTORY" != ""
 
+if [ "$2" != "" ]; then
+    CHROOT_BINARY $2
+    echo "copied extra binary $2";
+    exit 0;
+fi
+
 ### init chroot directory
 mkdir -p $CHROOT_DIRECTORY
 chown root:www-data $CHROOT_DIRECTORY