diff --git a/dracut-module-setup.sh b/dracut-module-setup.sh
index 169dede..6af96fb 100755
--- a/dracut-module-setup.sh
+++ b/dracut-module-setup.sh
@@ -94,7 +94,7 @@ kdump_setup_dns() {
 
     _tmp=$(get_nmcli_value_by_field "$_nm_show_cmd" "IP4.DNS")
     array=(${_tmp//|/ })
-    if [[ ${array[@]} ]]; then
+    if [[ ${array[*]} ]]; then
         for _dns in "${array[@]}"
         do
             echo "nameserver=$_dns" >> "$_dnsfile"