diff --git a/dracut-kdump.sh b/dracut-kdump.sh
index 42ba37f..b75c2a5 100755
--- a/dracut-kdump.sh
+++ b/dracut-kdump.sh
@@ -148,7 +148,7 @@ read_kdump_conf()
         case "$config_opt" in
         dracut_args)
             config_val=$(get_dracut_args_target "$config_val")
-            [[ -n "$config_val" ]] && add_dump_code "dump_fs $config_val"
+            [ -n "$config_val" ] && add_dump_code "dump_fs $config_val"
             ;;
         ext[234]|xfs|btrfs|minix|nfs)
             add_dump_code "dump_fs $config_val"