diff --git a/src/opnsense/scripts/dhcp/prefixes.php b/src/opnsense/scripts/dhcp/prefixes.php
index 94dd28d20..dda85cda1 100755
--- a/src/opnsense/scripts/dhcp/prefixes.php
+++ b/src/opnsense/scripts/dhcp/prefixes.php
@@ -28,8 +28,8 @@
  */
 
 require_once 'config.inc';
+require_once 'interfaces.inc';
 require_once 'util.inc';
-require_once 'plugins.inc';
 
 function parse_duid($duid_string)
 {