diff --git a/src/etc/rc.resolv_conf_generate b/src/etc/rc.resolv_conf_generate
index bec5c412f..42277d3e1 100755
--- a/src/etc/rc.resolv_conf_generate
+++ b/src/etc/rc.resolv_conf_generate
@@ -27,6 +27,7 @@
         POSSIBILITY OF SUCH DAMAGE.
 */
 
+require_once("util.inc");
 require_once("config.inc");
 require_once("system.inc");
 require_once("services.inc");