diff --git a/usr/local/share/bastille/create.sh b/usr/local/share/bastille/create.sh
index 6204b6f..a29136c 100644
--- a/usr/local/share/bastille/create.sh
+++ b/usr/local/share/bastille/create.sh
@@ -148,12 +148,12 @@ generate_vnet_jail_conf() {
     local num_range=$(expr "${list_jails_num}" + 1)
     jail_list=$(bastille list jail)
     for _num in $(seq 0 "${num_range}"); do
-        for _jail in ${jail_list}; do
-            if ! grep -q "e0b_bastille${_num}" "${bastille_jailsdir}"/${_jail}/jail.conf; then
+        if [ -n "${jail_list}" ]; then
+            if ! grep -q "e0b_bastille${_num}" "${bastille_jailsdir}"/*/jail.conf; then
                 uniq_epair="bastille${_num}"
                 break
             fi
-        done
+        fi
     done
 
     ## generate config